若3X^2-XY-4Y^2=0,则X\Y=?

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若3X^2-XY-4Y^2=0,则X\Y=?若3X^2-XY-4Y^2=0,则X\Y=?若3X^2-XY-4Y^2=0,则X\Y=?两边同时除以y的平方.3(x/y)^2+(x/y)-4=0[3(x/

若3X^2-XY-4Y^2=0,则X\Y=?
若3X^2-XY-4Y^2=0,则X\Y=?

若3X^2-XY-4Y^2=0,则X\Y=?
两边同时除以y的平方.
3(x/y)^2+(x/y)-4=0
[3(x/y)+4][(x/y)-1]=0
x/y=-4/3 ,x/y=1