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If the pairs of lines x^(2)-2pxy-y^(2)=0...

If the pairs of lines `x^(2)-2pxy-y^(2)=0` and `x^(2)-2qxy-y^(2)=0` be such that each pair bisects the angle between the other pair then

A

`p=-q`

B

`p q=1`

C

`p q=-1`

D

`p=q`

Text Solution

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The correct Answer is:
C
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
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