Suppose f(x)=√(1-k sin²x), show that
∫_[0~π/2] (1-k)/f³(x)dx = ∫_[0~π/2] f(x) dx, where 0<k<1
圖片參考:http://imgcld.yimg.com/8/n/HA06881079/o/20130408234331.jpg
收錄日期: 2021-04-23 23:26:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130408000051KK00402