Let the equation of the pair of lines... | Straight Lines JEE Main 2021

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JEE MAIN 2021

25-07-2021 S2

Question

Let the equation of the pair of lines, $y=p x$ and $y=q x$, can be written as $(y-p x)(y-q x)=0$. Then the equation of the pair of the angle bisectors of the lines $x^2-4 x y-5 y^2=0$ is:

Select the correct option:

A

$x^2-3 x y+y^2=0$

B

$x^2+4 x y-y^2=0$

C

$x^2+3 x y-y^2=0$

D

$x^2-3 x y-y^2=0$

✓ Correct! Well done.

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