x2+y2+4x-6y+13=0,求x y
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 21:18:26
![x2+y2+4x-6y+13=0,求x y](/uploads/image/z/1593497-65-7.jpg?t=x2%2By2%2B4x-6y%2B13%3D0%2C%E6%B1%82x+y)
x)0Ү465645yB&H~
i:tTāDM45*@PY
m#MF1>R
RP募^]akSikl_\gu
{YI!$ W.
x2+y2+4x-6y+13=0,求x y
x2+y2+4x-6y+13=0,求x y
x2+y2+4x-6y+13=0,求x y
x2+y2+4x-6y+13=0
(x^2+4x+4)+(y^2-6y+9)=0
(x+2)^2+(y-3)^2=0
∴{x+2=0
y-3=0
解得{x=-2,y=3
x=-2,y=3
6x-4y=-13