Question

Спростіть вираз:

$frac{x}{x^2-2xy+y^2} -frac{1}{x-y}$

Answer 1

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Answer 2

x/(x-y)²-1/x-y =x-(x-y)/(x-y)² =x-x+y/(x-y)² =y/(x-y)²