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0Sovenok0
@0Sovenok0
July 2022
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Решите симметрическую систему уравнений:
x+y=5,
x^2+y^2=13.
Желательно подробно.
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sedinalana
Verified answer
X+y=5⇒x=5-y
25-10y+y²+y²-13=0
2y²-10y+12=0
y²-5y+6=0
y1=y2=5 U y1*y2=6
y1=2⇒x=3
y2=3⇒x=2
(3;2);(2;3)
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Answers & Comments
Verified answer
X+y=5⇒x=5-y25-10y+y²+y²-13=0
2y²-10y+12=0
y²-5y+6=0
y1=y2=5 U y1*y2=6
y1=2⇒x=3
y2=3⇒x=2
(3;2);(2;3)