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kostx
@kostx
August 2022
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ПОМОГИТЕ!!!!!!!!!!!!!!!!!!!!!!!!!
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m11m
Х+3у=11 х=11-3у х=11-3у
2х+у^2=14 2х+у^2=14 2(11-3у)+у^2=14
2(11-3у)+у^2=14
22-6y+y^2-14=0
y^2-6y+8=0
D=36-4*8=4
y1=(6-2)/2=2 x1=11-3*2=11-6=5
y2=(6+2)/2=4 x2=11-3*4=11-12=-1
Ответ: х1=5 х2=-1
у1=2 у2=4
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Answers & Comments
2х+у^2=14 2х+у^2=14 2(11-3у)+у^2=14
2(11-3у)+у^2=14
22-6y+y^2-14=0
y^2-6y+8=0
D=36-4*8=4
y1=(6-2)/2=2 x1=11-3*2=11-6=5
y2=(6+2)/2=4 x2=11-3*4=11-12=-1
Ответ: х1=5 х2=-1
у1=2 у2=4