x2+y2-x+6y+37/4=0
(x²-x+1/猛锋纯4)+(y²基轮+6y+9)=0
(x-1/2)²+(y+3)²=0
x-1/2=0,y+3=0
x=1/2,y=-3
x的y方=(1/2)的-3方=2³枝咐=8
数学专家专业为您解答:
分析:
由x2+5y2-4xy+2y+1=0,可得友困(x-2y)2+(y+1)2=0,根据非负数的芦塌性质即可陪告圆求出x、y的值。
解答:
解:∵x2+5y2-4xy+2y+1=0,
∴(x-2y)2+(y+1)2=0,
∴x-2y=0,y+1=0,
x=-2,y=-1.
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