Question

выполните деление: x^2-y^2/2x^2/xy-y^2/x

Answer 1

$frac{x^2-y^2}{2x^2}: frac{xy-y^2}{x}=frac{x^2-y^2}{2x^2}*frac{x}{xy-y^2}=frac{(x-y)(x+y)}{2x^2}*frac{x}{y(x-y)}= frac{x+y}{2xy}$