作者style90639 (school)
看板trans_math
标题[积分] 请教一题积分!!!!
时间Tue Mar 10 00:59:55 2009
∫(x^2+1)/[ (x^2-1)*x^2 ]‧dx
微积分底子差 各位高手帮我!!!>m<
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 118.171.148.177
1F：推 ElvinN:先把分子配成x^2-1+2118.165.153.159 03/10 01:01
2F：→ ElvinN:2/x^2(x-1)(x+1) 再用方法分开118.165.153.159 03/10 01:02
3F：→ ElvinN:答案就呼之欲出118.165.153.159 03/10 01:02