ХАЛЯВНЫЕ БАЛЛЫ, ОЧЕНЬ ПРОСТОЕ ЗАДАНИЕ!). Created by otvetVopros. algebra-ru

ХАЛЯВНЫЕ БАЛЛЫ, ОЧЕНЬ ПРОСТОЕ ЗАДАНИЕ!)...

otvetVopros @otvetVopros

December 2021 1 5 Report

ХАЛЯВНЫЕ БАЛЛЫ, ОЧЕНЬ ПРОСТОЕ ЗАДАНИЕ!)

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Universalka

Verified answer

$a- \frac{1}{c}=2\\\\(a- \frac{1}{c}) ^{2} =4\\\\ a^{2}-2*a* \frac{1}{c} +( \frac{1}{c} ) ^{2}=4\\\\ a^{2}+ \frac{1}{c^{2} }=4-2* \frac{a}{c}=4-2*3=4-6=-2$

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