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Math Question Find f'(x)?
回答 (1)
2016-01-19 2:45 am
✔ 最佳答案
Soly=2^x
lny=xln2
dy/dx=(dy/dlny)*(dlny/dx)
=[(dlny/dy)]^(－1)*(dxln2/dx)
=[(1/y)]^(－1)*ln2
=ln2*y
=ln2*2^x
(C)
收錄日期: 2021-04-18 14:21:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160118183432AAJXaZn