已知实数x、y满足x2 4xy 4y2 x 2y-6=0,求6/x 2y的值x²+4xy+4y²+x+2y-6=0求6/x+2y的值

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已知实数x、y满足x24xy4y2x2y-6=0,求6/x2y的值x²+4xy+4y²+x+2y-6=0求6/x+2y的值已知实数x、y满足x24xy4y2x2y-6=0,求6/x

已知实数x、y满足x2 4xy 4y2 x 2y-6=0,求6/x 2y的值x²+4xy+4y²+x+2y-6=0求6/x+2y的值
已知实数x、y满足x2 4xy 4y2 x 2y-6=0,求6/x 2y的值
x²+4xy+4y²+x+2y-6=0求6/x+2y的值

已知实数x、y满足x2 4xy 4y2 x 2y-6=0,求6/x 2y的值x²+4xy+4y²+x+2y-6=0求6/x+2y的值
x²+4xy+4y²+x+2y-6=0
(x+2y)²+(x+2y)-6=0
(x+2y+3)(x+2y-2)=0
(x+2y)=-3或2
x+2y=-3时,6/(x+2y)=6/(-3)=-2
x+2y=2时,6/(x+2y)=6/2=3