(x+y-4xy/y+x)(y-x+4xy/x-y) при x=1,57 y=0,43. Created by G1r2. algebra-ru

x-y) при x=1,57 y=0,43...

July 2022 1 10 Report

(x+y-4xy/y+x)(y-x+4xy/x-y) при x=1,57 y=0,43

Answers & Comments

litanalove (x+y)(x+y)-4xy)/(x+y))*
*(y-x)(y-x)-4xy)/(y-x)=
(x²+2xy+y²-4xy)*(y²-2xy+x²+4xy))/(y+x)(x-y)=
(x²-2xy+y²)(x²+4xy+y²)/
/(x-y)(y+x)=
=(x-y)²(x+y)²/
/(x-y)(x+y)=(x-y)(x+y)=
=(1.57-0.43)(1.57+0.43)=
=1.14*2=2.28

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