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Slowww
@Slowww
August 2022
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Решите СИСТЕМУ
x^2 + y^2 = 9
y + x + 3 = 0
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саша3949
Х^2+у^2=9
х=-у-3
(-у-3)^2+у^2=9 раскрыли скобки и упростили
(-у)^2+6у+9у^2=9 уравнение
у=0-3
у=-3
х=-3
х=0
(х1.у1)=-3;0
(х2,у2)=0;-3
(-3)^2+0^2=9
0-3+3=0
0+(-3)^2=9
-3+0+3=0
9=9
0=0
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Answers & Comments
х=-у-3
(-у-3)^2+у^2=9 раскрыли скобки и упростили
(-у)^2+6у+9у^2=9 уравнение
у=0-3
у=-3
х=-3
х=0
(х1.у1)=-3;0
(х2,у2)=0;-3
(-3)^2+0^2=9
0-3+3=0
0+(-3)^2=9
-3+0+3=0
9=9
0=0