Show that
d/dx [(x) / (2)(n-1)(1+x2)n-1] =
{[ 1 /(1+x2)n ] - [ (2n-3)/(2)(n-1) ]} . [ 1 / (1+x2)n-1]
thanks a lot
收錄日期: 2021-04-25 17:19:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080404000051KK01218