Question

Помогите найти производную функции: f(x)=1/4x^4+1/2x^2+5

Answer 1

f '(x)=(1/4x^4+1/2x^2+5)'

(1/4x^4)'=-4x^(-3)/4

(1/2x^2)'=-2x^(-1)/2

(5)'=0

f '(x)=-1/x^3-1/x