已知5x²-2xy+y²+4x+1=0,求x,y的值

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/12 21:01:59
已知5x²-2xy+y²+4x+1=0,求x,y的值已知5x²-2xy+y²+4x+1=0,求x,y的值已知5x²-2xy+y²+4x+1=

已知5x²-2xy+y²+4x+1=0,求x,y的值
已知5x²-2xy+y²+4x+1=0,求x,y的值

已知5x²-2xy+y²+4x+1=0,求x,y的值
5x²-2xy+y²+4x+1=0
x²-2xy+y²+4x²+4x+1=0
(x-y)²+(2x+1)²=0
2x+1=0
x-y=0
x=-1/2
y=-1/2