Question

Решить $frac{b}{a^2-ab} : frac{a}{a-b} cdot ab$

Answer 1

$frac{b}{a^2-ab} : frac{a}{a-b} cdot ab = frac{b}{a(a - b)}cdot frac{a - b}{a} cdot ab = frac{b^{2}}{ {a} }$