Question

сократите дробь 24²-11²/42²-36²

Answer 1

$frac{24^2 - 11^2}{49^2 - 36^2} = frac{(24-11)(24+11)}{(49-36)(49+36)} = frac{13*35}{13*85}= frac{35}{85}= frac{7}{17}$