Question

Сократите дробь. Прошуууууу
х^2 - y^2
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y^3- x^3

Answer 1

$frac{x^{2} - y^{2} }{y^{3} - x^{3}} = - frac{x^{2} - y^{2} }{x^{3} - y^{3}} = - frac{(x - y)(x + y) }{(x - y)( x^{2} +yx + y^{2}) } = - frac{(x + y) }{( x^{2} +yx + y^{2}) }$