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Автор - prostocool

помогите пожайлуста ! n²-7n+6/n²-1 сократите дробь

Ответ

Автор - JuliaKovalchook
(n-6)(n-1)=n^{2}-6n-n+6= n^{2}-7n+6 \  frac{n^{2}-7n+6}{n^{2}-1} = frac{(n-6)(n-1)}{(n-1)(n+1)} = frac{n-6}{n+1} =

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