Question

Помогите сократить дроби:

Answer 1

$frac{3x^{4}y}{9x^{3}y^{2}} = frac{x}{3y} \ frac{2x^{2}-6x}{2x}= frac{2x(x-3)}{2x}= x-3 \ frac{a+1}{a^{2}+2a+1}= frac{a+1}{(a+1)^{2}}= frac{1}{a+1}$

Answer 2

а) х/3у
б) х-3
в) 1/а+1