• user warning: Table 'cache_filter' is marked as crashed and should be repaired query: SELECT data, created, headers, expire, serialized FROM cache_filter WHERE cid = '3:5169654efa780cf4f42ff2f507736082' in /home/tgv/htdocs/includes/cache.inc on line 27.
  • user warning: Table 'cache_filter' is marked as crashed and should be repaired query: UPDATE cache_filter SET data = '<!--paging_filter--><h2><span style=\"font-size: 18pt\" lang=\"TH\">             </span>\n<div style=\"text-align: center\">\n<img src=\"/files/u60171/math3.jpg\" width=\"314\" height=\"314\" />\n</div>\n<p><span style=\"font-size: 18pt\" lang=\"TH\">   </span></p></h2>\n<p align=\"center\">\n<span style=\"font-size: 18pt\" lang=\"TH\">   เลขยกกำลัง</span><span style=\"font-size: 18pt\"></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-align: right\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\"><br />\n</span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-align: right\" align=\"right\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">บทนิยาม</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span><b> </b>  </span><span lang=\"TH\">ถ้า<span>  </span></span><span class=\"GramE\">a<span>  </span><span lang=\"TH\">เป็นจำนวนจริงใด</span></span><span lang=\"TH\"> ๆ<span>  </span>และ<span>  </span></span>n<span>  </span><span lang=\"TH\">เป็นจำนวนเต็มบวกแล้ว</span></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image004.gif\" width=\"141\" height=\"21\" /></sub><span>   </span><span lang=\"TH\">เรียก<span>  </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image006.gif\" width=\"20\" height=\"21\" /></sub><span lang=\"TH\">ว่า<span> <br />\n</span><b>เลขยกกำลัง <span> </span>มี </b></span><b><span> </span><span class=\"GramE\">a<span>  </span><span lang=\"TH\">เป็นฐาน</span></span><span lang=\"TH\"><span>  </span>และ<span>  </span></span>n<span>  </span><span lang=\"TH\">เป็นเลขยกกำลัง</span></b></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">เช่น<span>      </span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image008.gif\" width=\"136\" height=\"21\" /></sub><span>                              </span><span lang=\"TH\">มี<span>     </span></span><span class=\"GramE\">4<span>  </span><span lang=\"TH\">เป็นฐาน</span></span><span lang=\"TH\"><span>  </span>และ<span>  </span></span>3<span>  </span><span lang=\"TH\">เป็นเลขยกกำลัง</span></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>          <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image010.gif\" width=\"225\" height=\"24\" /></sub><span>      </span><span lang=\"TH\">มี<span>     </span></span><span class=\"GramE\">10<span>  </span><span lang=\"TH\">เป็นฐาน</span></span><span lang=\"TH\"><span>  </span>และ<span>  </span></span>4<span>  </span><span lang=\"TH\">เป็นเลขยกกำลัง</span></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>          <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image012.gif\" width=\"208\" height=\"25\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>         <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image014.gif\" width=\"300\" height=\"25\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<h4 style=\"text-indent: 0cm\"><span lang=\"TH\">สมบัติของเลขยกกำลัง</span></h4>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span> </span><span lang=\"TH\">เมื่อ </span><span> </span><span class=\"GramE\">a ,</span><span>   </span>b <span lang=\"TH\">เป็นจำนวนจริงใด<span>  </span>ๆ ที่ไม่เท่ากับศูนย์<span>  </span>และ </span>m , n <span lang=\"TH\">เป็นจำนวนเต็ม</span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>1.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image016.gif\" width=\"88\" height=\"21\" /></sub><span>  </span><span>                         </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">เช่น<span>       </span></span><span>        </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image018.gif\" width=\"135\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image020.gif\" width=\"127\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image022.gif\" width=\"147\" height=\"21\" /></sub><span> </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                               <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image024.gif\" width=\"193\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>2.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image026.gif\" width=\"79\" height=\"28\" /></sub><span>              </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">เช่น<span>       </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image028.gif\" width=\"117\" height=\"28\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span> </span><span>                       </span><span>       </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image030.gif\" width=\"141\" height=\"28\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                </span><span> </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image032.gif\" width=\"12\" height=\"23\" /></sub><span>                <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image034.gif\" width=\"127\" height=\"28\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                </span><span> </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image032.gif\" width=\"12\" height=\"23\" /></sub><span>        </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>3.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image036.gif\" width=\"85\" height=\"25\" /></sub><span>            </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">เช่น<span>         <br />\n</span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image038.gif\" width=\"96\" height=\"27\" /></sub><span>     </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                              <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image040.gif\" width=\"227\" height=\"28\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                              <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image042.gif\" width=\"185\" height=\"28\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>4.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image044.gif\" width=\"76\" height=\"49\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">เช่น<span>        </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image046.gif\" width=\"175\" height=\"51\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                         <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image048.gif\" width=\"79\" height=\"51\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>5.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image050.gif\" width=\"71\" height=\"44\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัว<b>อย่าง</b></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>   </span><span lang=\"TH\">เช่น<span>      </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image052.gif\" width=\"127\" height=\"44\" /></sub><span>                </span><span lang=\"TH\">เมื่อ<span>  </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image054.gif\" width=\"49\" height=\"15\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                        <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image056.gif\" width=\"111\" height=\"44\" /></sub><span>                     </span><span lang=\"TH\">เมื่อ<span>  </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image058.gif\" width=\"49\" height=\"15\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                       <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image060.gif\" width=\"133\" height=\"44\" /></sub><span>               </span><span lang=\"TH\">เมื่อ<span>  </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image062.gif\" width=\"49\" height=\"15\" /></sub><span> </span>,<span>   </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image064.gif\" width=\"44\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>6.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image064.gif\" width=\"44\" height=\"21\" /></sub><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image032.gif\" width=\"12\" height=\"23\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">เช่น <span>    </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image066.gif\" width=\"48\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                        <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image068.gif\" width=\"48\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 54pt; text-indent: -18pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>7.<span style=\"font: 7pt \'Times New Roman\'\">      <br />\n</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image070.gif\" width=\"137\" height=\"41\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"margin-left: 36pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">เช่น<span>     </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image072.gif\" width=\"65\" height=\"43\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                     <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image074.gif\" width=\"72\" height=\"43\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span>                                     <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image076.gif\" width=\"92\" height=\"43\" /></sub><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<h3> </h3>\n<h3> </h3>\n<h3><span lang=\"TH\">ตัวอย่างที่ </span>1<span>   </span><span lang=\"TH\">จงทำให้อยู่ในรูปอย่างง่ายและเลขยกกำลังเป็นจำนวนบวก</span></h3>\n<h3><span>                                <br />\n</span><span style=\"font-weight: normal\">1)<br />\n<sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image078.gif\" width=\"56\" height=\"44\" /></sub><span>   </span><span>                             </span>2)<span>  </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image080.gif\" width=\"49\" height=\"48\" /></sub></span></h3>\n<p class=\"MsoNormal\">\n<span>   </span><span>                              </span>3)<span>  </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image032.gif\" width=\"12\" height=\"23\" /></sub><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image082.gif\" width=\"89\" height=\"55\" /></sub><span>                     </span>\n</p>\n<h5><span style=\"text-decoration: none\"> </span></h5>\n<h5><span lang=\"TH\">วิธีทำ</span><span style=\"text-decoration: none\"><span>               <br />\n</span></span><span style=\"font-weight: normal; text-decoration: none\">1)<span>  </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image078.gif\" width=\"56\" height=\"44\" /></sub><span>                </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image084.gif\" width=\"172\" height=\"43\" /></sub></span></h5>\n<p class=\"MsoNormal\">\n<span>                         <br />\n</span>2)<span>  </span><b><span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image080.gif\" width=\"49\" height=\"48\" /></sub><span>                </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image086.gif\" width=\"155\" height=\"48\" /></sub><span>    </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image088.gif\" width=\"61\" height=\"21\" /></sub></span></b><span>     </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image090.gif\" width=\"44\" height=\"44\" /></sub>\n</p>\n<p class=\"MsoNormal\">\n<span>                </span><span>          <br />\n</span>3) <span> </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image082.gif\" width=\"89\" height=\"55\" /></sub><span>  </span><span>       </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image092.gif\" width=\"95\" height=\"48\" /></sub>\n</p>\n<p class=\"MsoNormal\">\n<span>                                                                <br />\n</span><span>             </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image094.gif\" width=\"116\" height=\"44\" /></sub>\n</p>\n<p class=\"MsoNormal\">\n<span>                                                  <br />\n</span><span>              </span><span>             </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image096.gif\" width=\"77\" height=\"44\" /></sub><span>                                  </span><b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตอบ </span></b><b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span></b>\n</p>\n<h4 style=\"text-indent: 0cm\"><span lang=\"TH\">การบวก<span>  </span>ลบ<span> <br />\n</span>เลขยกกำลัง</span></h4>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\">1.<span>   </span><span class=\"GramE\"><span lang=\"TH\">การบวก<span>  </span>ลบ</span></span><span lang=\"TH\"><span>  </span>เลขยกกำลังที่มีฐานเหมือนกัน<span>  </span>และเลขยกกำลังเท่ากัน<br />\nให้นำสัมประสิทธิ์ของเลขยกกำลังมาบวกลบกัน</span></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\"><span>        </span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\">1)<span>   </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image098.gif\" width=\"108\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span> </span>2)<span> <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image100.gif\" width=\"208\" height=\"24\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\">2.<span>   </span><span class=\"GramE\"><span lang=\"TH\">การบวก<span>  </span>ลบ</span></span><span lang=\"TH\"><span>  </span>เลขยกกำลังที่มีฐานเท่ากัน<span>  </span>แต่เลขยกกำลังไม่เท่ากัน<br />\nจะนำสัมประสิทธิ์มาบวก<span> <br />\n</span>ลบกันไม่ได้<span>  </span><b>ต้องทำในรูปของการแยกตัวประกอบ<br />\nและดึงตัวประกอบร่วมออก</b> </span></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่าง</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\">1)<span lang=\"TH\"> <span> </span></span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image102.gif\" width=\"145\" height=\"21\" /></sub><span>                          </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image104.gif\" width=\"79\" height=\"24\" /></sub></span>\n</p>\n<p class=\"MsoNormal\" style=\"text-indent: 36pt\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\">2)</span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>   </span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image106.gif\" width=\"216\" height=\"24\" /></sub><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image032.gif\" width=\"12\" height=\"23\" /></sub><span>    </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image108.gif\" width=\"51\" height=\"21\" /></sub><span> </span></span>\n</p>\n<p class=\"MsoNormal\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span></b>\n</p>\n<p class=\"MsoNormal\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">ตัวอย่างที่<span>  </span></span></b><span class=\"GramE\"><b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\">2</span></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>  </span><span lang=\"TH\">จงทำให้เป็นรูปอย่างง่าย</span></span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                 <br />\n</span>1)<span>  </span></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image110.gif\" width=\"67\" height=\"21\" /></sub><span>                            </span>2)<span>  </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image112.gif\" width=\"159\" height=\"21\" /></sub><span>            </span></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                  <br />\n</span><span>               </span>3)<br />\n<span> </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image114.gif\" width=\"60\" height=\"44\" /></sub><span>       </span></span><span>                       </span>4)<span>    </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image116.gif\" width=\"57\" height=\"44\" /></sub><span> </span>\n</p>\n<p class=\"MsoNormal\">\n<b><u><span style=\"font-size: 16pt; font-family: \'Angsana New\'\" lang=\"TH\">วิธีทำ</span></u></b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                        <br />\n</span>1)<span>    </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image110.gif\" width=\"67\" height=\"21\" /></sub><span>     </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image119.gif\" width=\"44\" height=\"21\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span>                           <br />\n</span><span>        </span>2)<span>      </span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image112.gif\" width=\"159\" height=\"21\" /></sub><span>           </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image122.gif\" width=\"91\" height=\"20\" /></sub></span>\n</p>\n<p class=\"MsoNormal\">\n<span>   </span><span>                              </span><span>  </span>3) <span><span>   </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image114.gif\" width=\"60\" height=\"44\" /></sub><span>         </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image125.gif\" width=\"80\" height=\"44\" /></sub><span>          </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image127.gif\" width=\"80\" height=\"44\" /></sub><span>     </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image129.gif\" width=\"35\" height=\"21\" /></sub></span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<p class=\"MsoNormal\">\n<span>      </span><span>                            </span>4)<span>  </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image116.gif\" width=\"57\" height=\"44\" /></sub><span>           </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image131.gif\" width=\"84\" height=\"44\" /></sub><span>      </span><span> </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image133.gif\" width=\"87\" height=\"44\" /></sub>\n</p>\n<p class=\"MsoNormal\">\n<span>                                                                    <br />\n</span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image135.gif\" width=\"61\" height=\"44\" /></sub>\n</p>\n<p class=\"MsoNormal\">\n<span>                                                                    <br />\n</span><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"></span>\n</p>\n<p class=\"MsoNormal\">\n<span style=\"font-size: 16pt; font-family: \'Angsana New\'\"><span>                                                                                </span><sub><img src=\"http://www.chontech.ac.th/%7Erelat/sara/html/numberup.files/image137.gif\" width=\"93\" height=\"43\" /></sub><span>                                       <br />\n</span><span>   </span><b><span lang=\"TH\">ตอบ </span></b></span>\n</p>\n<p class=\"MsoNormal\">\n<b><span style=\"font-size: 16pt; font-family: \'Angsana New\'\"> </span></b>\n</p>\n<!--[if !mso]>\n<style>\nv\\:* {behavior:url(#default#VML);}\no\\:* {behavior:url(#default#VML);}\nw\\:* {behavior:url(#default#VML);}\n.shape {behavior:url(#default#VML);}\n</style>\n<![endif]--><!--[if !mso]>\n<style>\nv\\:* {behavior:url(#default#VML);}\no\\:* {behavior:url(#default#VML);}\nw\\:* {behavior:url(#default#VML);}\n.shape {behavior:url(#default#VML);}\n</style>\n<![endif]--><!--[if gte mso 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4. เลขยกกำลัง

            

  

   เลขยกกำลัง


 

บทนิยาม   ถ้า  a  เป็นจำนวนจริงใด  และ  n  เป็นจำนวนเต็มบวกแล้ว

   เรียก  ว่า 
เลขยกกำลัง  มี
 a  เป็นฐาน  และ  n  เป็นเลขยกกำลัง

เช่น                                    มี     4  เป็นฐาน  และ  3  เป็นเลขยกกำลัง

          
      มี     10  เป็นฐาน  และ  4  เป็นเลขยกกำลัง

          

         

 

สมบัติของเลขยกกำลัง

 เมื่อ  a ,   b เป็นจำนวนจริงใด  ๆ ที่ไม่เท่ากับศูนย์  และ m , n เป็นจำนวนเต็ม

1.      
                          

ตัวอย่าง  เช่น              

                                

                                
 

                               

 

2.      
             

ตัวอย่าง  เช่น      

                              

                                 

                        

3.      
           

ตัวอย่าง  เช่น         
    

                              

                              

 

 

4.      

ตัวอย่าง  เช่น       

                                         

 

5.      

ตัวอย่าง   เช่น                      เมื่อ 

                                        
                     เมื่อ 

                                       
               เมื่อ   ,  

 

6.      

ตัวอย่าง  เช่น     

                        

 

7.      

ตัวอย่าง  เช่น    

                                     

                                     

 

 

ตัวอย่างที่ 1   จงทำให้อยู่ในรูปอย่างง่ายและเลขยกกำลังเป็นจำนวนบวก

                                
1)
                                2) 

                                 3)                       

 
วิธีทำ               
1)                  

                         
2)                           

                          
3)           

                                                                
             

                                                  
                                                             ตอบ

การบวก  ลบ 
เลขยกกำลัง

1.   การบวก  ลบ  เลขยกกำลังที่มีฐานเหมือนกัน  และเลขยกกำลังเท่ากัน
ให้นำสัมประสิทธิ์ของเลขยกกำลังมาบวกลบกัน

ตัวอย่าง       

1)  

 2) 

2.   การบวก  ลบ  เลขยกกำลังที่มีฐานเท่ากัน  แต่เลขยกกำลังไม่เท่ากัน
จะนำสัมประสิทธิ์มาบวก 
ลบกันไม่ได้  ต้องทำในรูปของการแยกตัวประกอบ
และดึงตัวประกอบร่วมออก

ตัวอย่าง

1)                            

2)        

 

ตัวอย่างที่  2  จงทำให้เป็นรูปอย่างง่าย

                                 
1) 
                            2)              

                  
               3)
        
                       4)     

วิธีทำ                        
1)         

                           
        2)                 

                                   3)                            

                                  4)                    

                                                                    

                                                                    

                                                                                                                       
   ตอบ

 

มหาวิทยาลัยศรีปทุม ผู้ใหญ่ใจดี
 

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พระราชบัญญัติลิขสิทธิ์ (ฉบับที่ 2) พ.ศ. 2558 
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