Question

Сократите дробь

Answer 1

$\frac{a^4+a^2+1}{(a+1)^3+1^3}$
$\frac{a^4+a^2+1}{(a+1+1)((a+1)^2-(a+1)*1+1^2)}$
$\frac{a^4+a^2+1}{(a+2)(a^2+a+1)}$