sqrt(54)/(sqrt(sqrt(15)+3)*sqrt(sqrt(15)-3)). Created by andrew7. algebra-ru

(sqrt(sqrt(15)+3)*sqrt(sqrt(15)-3))...

October 2021 1 5 Report

sqrt(54)/(sqrt(sqrt(15)+3)*sqrt(sqrt(15)-3))

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micar

$\frac{\sqrt{54}}{\sqrt{(\sqrt{15}+3)*(\sqrt{15}-3)}}=\frac{3\sqrt{6}}{\sqrt{(\sqrt{15})^2-3^2}}=\frac{3\sqrt{6}}{\sqrt{15-9}}=\frac{3\sqrt{6}}{\sqrt{6}}=3$

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