已知x^2-3xy+2y^2=0(xy≠0),则x/y+y/x=
4个回答
x^2-3xy+2y^2=0
(x-y)(x-2y)=0
两边除以y^2
(x/y-1)(x/y-2)=0
(1) x/y=1
(2)x/y=2
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