y+3 - y = 8 y-1 y+1 y2-те -1. Created by kerik12rus. algebra-ru

y+3 - y = 8 y-1 y+1 y2-те -1...

kerik12rus @kerik12rus

August 2022 1 3 Report

y+3 - y = 8
y-1 y+1 y2-те -1

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Матов

Verified answer

$\frac{y+3}{y-1}-\frac{y}{y+1}=\frac{8}{y^2-1}\\
\frac{(y+3)(y+1)- y(y-1)}{y^2-1}=\frac{8}{y^2-1}\\
 \frac{y^2+4y+3-y^2+y}{y^2-1}=\frac{8}{y^2-1}\\
5y+3=8\\
5y=5\\
y=1$
ОДЗ $y \neq 1$
нет решений

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storona romba ravna 6 sm a odin iz uglov raven 150 gradusov najdite ploshad romb

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