Question

(2x/x^2-4)-(1/x-2) сократите

Answer 1

$frac{2x}{x^2-4} - frac{1}{x-2} = frac{2x- (x+2) }{(x-2)(x+2)} = frac{x-2}{(x-2)(x+2)} = frac{1}{x+2}$