一個很奇怪的根號積分問題 - 考試
By Tom
at 2014-09-23T21:59
at 2014-09-23T21:59
Table of Contents
小弟剛剛在唸書的時候
看到同樣的兩題
一個是用代數解
一個是用數字代入
但是為什麼把數字代入代數的公式解
答案卻不一樣
檢查過後發覺是兩題同樣的積分卻積出不同東西
求正解,謝謝大大,祝金榜題名。
附圖如下:
http://i.imgur.com/fEajVMU.jpg
http://i.imgur.com/9lJJ8VM.jpg
--
Sent from my Android
--
看到同樣的兩題
一個是用代數解
一個是用數字代入
但是為什麼把數字代入代數的公式解
答案卻不一樣
檢查過後發覺是兩題同樣的積分卻積出不同東西
求正解,謝謝大大,祝金榜題名。
附圖如下:
http://i.imgur.com/fEajVMU.jpg
http://i.imgur.com/9lJJ8VM.jpg
--
Sent from my Android
--
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考試
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