问题描述:
y=2xsin(2x+5)求导数!
比这个多一两步
y'=2sin(2x+5)+2xcos(2x+5)*2
=2sin(2x+5)+4xcos(2x+5)
比这个多一两步
y'=2sin(2x+5)+2xcos(2x+5)*2
=2sin(2x+5)+4xcos(2x+5)
问题解答:
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