A.Maths. 2nd derivative..急.!

2009-04-30 1:54 am
given the curve : y= x^2/(1+x)-4/3 , where x is not equal to-1.

use the 1st dy/dx :(2x+x^2)/(1+x)^2 to prove 2nd dy/dx =2/(1+x)^3

回答 (1)

2009-04-30 2:06 am
✔ 最佳答案
As follows:

圖片參考:http://i707.photobucket.com/albums/ww74/stevieg90/02-8.gif


收錄日期: 2021-04-22 00:41:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090429000051KK00995

檢視 Wayback Machine 備份