If one of the lines of `my^(2)+(1-m^(2))xy-mx^(2)=0` is a bisector of the angle between the lines `xy=0`, then m is
If one of the lines of `my^(2)+(1-m^(2))xy-mx^(2)=0` is a bisector of the angle between the lines `xy=0`, then m is
A. 1
B. 2
C. `-1//2`
D. -1
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Correct Answer - 1, 4
Here , `my(y-mx)+x(y-mx)=0`
or `(y-mx)(my+x)=0`
So the lines are `y=mxory=(-1//m)x`. The bisectors between the lines `xy=0` are` y=xandy=-x`. Therefore , `m=1,-1`.
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