Question

$frac{x^2+1}{4x^3+4x}$

Answer 1

(x^2+1)/(4x^3 + 4x) = (x^2+1)/4x*(x^2+1) = 1/4x 

Answer 2

(x^{2}+1) /(4x( x^{2} +1)}= 1/4