Найдите значение выражения: у^2+4у+4)/у^2-4 ∶ 10у+20/у^2-2у при у=80.. Created by kitayeva07. algebra-ru

у^2-2у при у=80...

kitayeva07 @kitayeva07

July 2022 1 12 Report

Найдите значение выражения: у^2+4у+4)/у^2-4 ∶ 10у+20/у^2-2у при у=80.

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sangers1959

Verified answer

Ответ:

Объяснение:

$\frac{y^{2}+4y+4 }{y^{2} -4} :\frac{10y+20}{y^{2}-2y } =\frac{(y+2)^{2} }{(y+2)(y-2) } *\frac{y*(y-2)}{10*(y+2)} =\frac{(y+2)*y*(y-2)}{(y-2)*10*(y+2)}=\frac{y}{10}=\frac{80}{10}=8.$

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Verified answer

h3e2f68c391a7d767f86b368318a76704e 62921

u2 2u pri u80 s resheniem pozhalujsta

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