y=∫(1-x)/(1+x) dx
full steps plx
pure maths
2009-06-07 6:12 pm
回答 (1)
2009-06-07 7:26 pm
✔ 最佳答案
∫(1-x)/(1+x) dx = - ∫(x - 1)/(1 + x) dx= - ∫(x + 1 - 2)/(1 + x) dx
= - ∫ dx + 2∫1/(1 + x) dx
= - x + 2 ln |1 + x| + C
參考: Myself
收錄日期: 2021-04-13 16:39:17
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https://hk.answers.yahoo.com/question/index?qid=20090607000051KK00457