f(e)=cos2x+3x的导数?

2025-12-25 05:17:52
推荐回答(1个)
回答1:

f(e^x)=cos2x+3x
d/dxf(e^x)=d/dx(cos2x+3x)
e^x.f'(e^x)=-2sin2x+3