已知实数x、y满足x²+y²+4x-6y+13=0
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已知实数x、y满足x²+y²+4x-6y+13=0
已知实数x、y满足x²+y²+4x-6y+13=0
已知实数x、y满足x²+y²+4x-6y+13=0
x²+y²+4x-6y+13=0
x²+4x+4+y²-6y+9=0
(x+2)²+(y-3)²=0
∴x+2=0
y-3=0
∴x=-2
y=3
已知实数x、y满足x²+y²+4x-6y+13=0
已知实数x、y满足x²+y²+4x-6y+13=0
已知实数x、y满足x²+y²+4x-6y+13=0
x²+y²+4x-6y+13=0
x²+4x+4+y²-6y+9=0
(x+2)²+(y-3)²=0
∴x+2=0
y-3=0
∴x=-2
y=3