设函数y=ln2+x^3+2^x,则dy/dx=

问题描述:

设函数y=ln2+x^3+2^x,则dy/dx=

答:
dy/dx=y'=(ln2+x^3+2^x)'
=(ln2)'+(x^3)'+(2^x)'
=0+3x^2+ln2*2^x
=3x^2+2^xln2