Предмет: Алгебра, автор: karpenko96

(2a+2b)/b * (1/(a-b) - 1/(a+b)

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Автор ответа: Sardonica
0

сначала действие в скобках.приводим к общему знаменателю.общий знаменатель (а-в)(а+в).Получается: при сокращении 2(а+в)все делить на знаменатель (а-в)(а+в).потом второе девйствие ,нужно перемножить дроби.2а+2в делить на знаменатель в умножить на дроби в числителе выносим двойку за скобки 2(а+в)и делим на знаменатель (а-в)(а+в) .сокращаем на в и (а+в) в итоге:2в делить на а-в

Автор ответа: triolana
0

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