Question

сократите дробь (a-b)^2/ab:a^2*2ab+b^2/a

Answer 1

a^2-b^2/ab : a^2 * 2ab + b2/a = a^2-b^2 : a^2b * 2ab^2+b^2=
=a^2-b^2/a^2b * 2ab^2+b^2 (Сокращаем) = b * 2ab2