Using the substitution u=1/x, prove that
∫(upper limit=5, lower limit=0.2) (lnx^3)/[(x^2)+1]
Please help!! Thanks a lot!
收錄日期: 2021-04-15 17:26:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141129000051KK00032