Please help!!
FIND Y '
Y=(3X+2)^3 COS(X)
2010-03-20 11:39 pm
回答 (4)
2010-03-21 5:24 am
✔ 最佳答案
y=(3x+2)^3cosx=>dy/dx
=d(3x+2)^3/dx*cosx+d(cosx)/dx*(3x+2)^3
=3(3x+2)^2 *d(3x+2)/dx *cosx-sinx(3x+2)^3
=9(3x+2)^2*cosx-sinx*(3x+2)^3
=(3x+2)^2(9cosx-(3x+2)sinx)//
2010-03-21 1:51 am
求 (3X+2)^3 COS(X) 的導數?
2010-03-21 12:15 am
Y=[(3X+2)^3]*COS(X)??
2010-03-20 11:45 pm
mhj'p55456+8455665+45814125-p
收錄日期: 2021-04-13 17:10:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100320000051KK00879