1.

The line \[x-2y=0\]will be a bisector of the angle between the lines represented by the equation \[{{x}^{2}}-2hxy-2{{y}^{2}}=0\], if \[h=\]   

A.            1/2
B.            2
C.  \[-2\]      
D.            -1/2
Answer» D.            -1/2


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