((a^2-b^2)/7)*(14/(a-b))*(a/((a+b)^2)). Created by Кристина20158. algebra-ru

((a+b)^2))...

Кристина20158 @Кристина20158

August 2021 1 13 Report

((a^2-b^2)/7)*(14/(a-b))*(a/((a+b)^2))

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inblu

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$\frac{a^2-b^2}{7}* \frac{14}{a-b}* \frac{a}{(a+b)^2}= \frac{(a-b)(a+b)}{7}* \frac{14}{a-b}* \frac{a}{(a+b)^2}=\frac{2(a+b)}{1}* \frac{a}{(a+b)^2}= \\ = \frac{2a}{(a+b)}$

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