Differentiate the following functions
1. y = x ln x - x
Ans: ln x
2. y = ln (sin x)
Ans: cot x
differentiation
2013-01-15 3:14 am
回答 (1)
2013-01-15 3:44 am
✔ 最佳答案
y = x ln x - xdy/dx = [x·(1/x) + lnx] - 1
dy/dx = lnx
y = ln (sinx)
dy/dx = (1/sinx)(cosx)
dy/dx = cotx
只是基本的differentiation，有不明白的請再問
收錄日期: 2021-04-29 15:43:17
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