Предмет: Алгебра, автор: Andreykal

упростить вырожение очень надо даю 10 баллов

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Автор ответа: Kuкush
0
( frac{b+1}{b-1} -frac{b}{b+1}):frac{3b+1}{2b-2}=( frac{b^2+2b+1-b^2+b}{(b-1)(b+1)}})*frac{2b-2}{3b+1}=frac{3b+1}{(b-1)(b+1)}*frac{2(b-1)}{3b+1}=frac{2}{b+1}
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