x^2-5xy+6y^2=0 求x :y
2个回答
原式可转化为(x-2y)(x-3y)=0
所以有1) x-2y=0 或2) x-3y=0
所以从1) 得出 x:y = 2:1 或 2) 得出 x:y = 3:1
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