Question

Сократите дроби:аб/ас; а^2-аб/а^2-б^2; х^2/х^2-х

Answer 1

$1) frac{ab}{ac} = frac{b}{c} \ 2) frac{ {a}^{2} - ab }{ {a}^{2} - {b}^{2} } = frac{a(a - b)}{(a - b)(a + b)} = frac{a}{a + b} \ 3) frac{ {x}^{2} }{ {x}^{2} - x } = frac{ {x}^{2} }{x(x - 1)} = frac{x}{x - 1}$