Question

Решите под б
F(x)=(2* корень из x +1) *x^3

Answer 1

f`(x)=(2√x+1)`*x²+(x²)`*(2√x+1)=2/2√x*x²+2x*(2√x+1)=x√x+4x√x+2x=
=5x√x+2x

Answer 2

f`(x)=(2√x+1)`*x^3