Ответ: 5( a - b )/(ab ) .
Пошаговое объяснение:
(5a)/(b²+ ab) - (5b)/(a² + ab) = (5a)/b(a + b) - (5b)/a(a + b) =
= ( 5a² - 5b²)/[ab( a + b ) ] = 5(a² - b²)/[ab( a + b ) ] =
= 5( a - b )/(ab ) .
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Ответ: 5( a - b )/(ab ) .
Пошаговое объяснение:
(5a)/(b²+ ab) - (5b)/(a² + ab) = (5a)/b(a + b) - (5b)/a(a + b) =
= ( 5a² - 5b²)/[ab( a + b ) ] = 5(a² - b²)/[ab( a + b ) ] =
= 5( a - b )/(ab ) .