помогите! (х+у-7)²+(х-2у- 2)² = 0. Created by Alicefox321. algebra-ru

помогите! (х+у-7)²+(х-2у- 2)² = 0...

Alicefox321 @Alicefox321

July 2022 1 5 Report

помогите! (х+у-7)²+(х-2у- 2)² = 0

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mmb1

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Справа 0
слева сумма двух квадратов, которые больше равны 0
x+y-7=0
x-2y-2=0
вычитаем из первого второе
x+y-7-x+2y+2=0
3y=5
y=5/3
x+5/3-7=0
x=21/3-5/3=16/3
ответ (16/3 5/3)

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god i pribuv do miscya prizna chennya za 5 god 20 hv z yakoyu shvid kistyu mae ruhati

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