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The equation of the pair of lines throug...

The equation of the pair of lines through (1,-1) and perpendicular to the pair of lines `x^(2)-x y-2 y^(2)=0` is

A

`2 x^(2)-x y+y^(2)+5 x+y+2=0`

B

`2 x^(2)-x y-y^(2)-5 x-y+2=0`

C

`x^(2)-x y+2 y^(2)-5 x-y-2=0`

D

`2 x^(2)-x y-y^(2)+5 x+y-2=0`

Text Solution

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