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cat56744
@cat56744
August 2022
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Решите систему уравнения пожалуйста !
√x^2+5 +√y^2-5 =5
x^2+y^2=13
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maralsalieva02
X+5+y-5=5
{ x+y=5 ⇒x=5-y
x²+y²=13 ⇒(5-y)²+y2=13 ⇒ y²-5y-6=0⇒ x1=2; x2=3
⇒ esli x1=2
2+y=5
y1=3
esli x2=3
3+y=5
y2=2
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Answers & Comments
{ x+y=5 ⇒x=5-y
x²+y²=13 ⇒(5-y)²+y2=13 ⇒ y²-5y-6=0⇒ x1=2; x2=3
⇒ esli x1=2
2+y=5
y1=3
esli x2=3
3+y=5
y2=2