2*X * (e既-2X次方)
點積由0去到無限~??
THX!!!!!!!
一條數學積分題目~~ 急急急~~唔該~~~~
2010-10-18 1:31 am
回答 (1)
2010-10-18 1:41 am
✔ 最佳答案
=======================================================圖片參考：http://img819.imageshack.us/img819/8343/50899186.png
2010-10-17 17:41:23 補充：
http://img819.imageshack.us/img819/8343/50899186.png
收錄日期: 2021-04-23 23:22:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101017000051KK01196