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Question

If r(1m2)+m(pq)=0, then a bisector of the angle between the lines represented by the equation px22rxy+qy2=0, is



Your Answer
A

Your Answer
B

Correct Answer
C

Your Answer
D


Solution

The correct option is C


Equation of bisectors of angle between the lines represented by px22rxy+qy2=0 is 

x2y2pq=xyr

On putting y = mx in (i), we get

1m2pq=mrr(1m2)+m(pq)=0

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