how do i find the derivative of this function?

Question

f(x)=1/4 ln (x^4)/(1+x^4)

Answer 1

f(x)=1/4 ln (x^4)/(1+x^4)

Use the product rule: let g(x)=1/4 ln (x^4) and h(x)=(1+x^4)^-1

f(x) = g(x) h(x)
f'(x) = g(x) h'(x) + h(x) g'(x)