Question

Найдите значение дроби, если.

Answer 1

$frac{x - 3y}{6x ^{2} - 54y ^{2} } = frac{x - 3y}{6(x^{2} - 9y^{2} )} = frac{x - 3y}{6(x - 3y)(x + 3y)} = 6(x + 3y) = 6 times frac{1}{4} = 1.5$