作者midarmyman (midarmyman)
看板trans_math
标题[积分] 简单的
时间Thu Jun 11 21:15:58 2009
1/(x^3-1) 对X积分?
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.117.198.78
1F：推 keith291:Hint:x^3-1=(x-1)(x^2+x+1) 用分项分式法 218.166.63.95 06/11 21:19
2F：→ midarmyman:(x^2+x+1)要用到arctan代换吗? 140.117.198.78 06/11 21:21
3F：推 bryant780301:当然^^ 118.165.130.82 06/11 21:25
4F：→ midarmyman:QQ 140.117.198.78 06/11 21:28
5F：→ midarmyman:不用吧?!我文你看看我解法 140.117.198.78 06/11 21:34
6F：→ midarmyman:噢 我错了 要用到! 140.117.198.78 06/11 21:40