Pair Of Straight Lines Question 108
Question: The combined equation of the bisectors of the angle between the lines represented by $ (x^{2}+y^{2})\sqrt{3}= $
$ 4xy $ is
[MP PET 1992]
Options:
A) $ y^{2}-x^{2}=0 $
B) $ xy=0 $
C) $ x^{2}+y^{2}=2xy $
D) $ \frac{x^{2}-y^{2}}{\sqrt{3}}=\frac{xy}{2} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ \frac{x^{2}-y^{2}}{\sqrt{3}-\sqrt{3}}=\frac{xy}{-2}\Rightarrow x^{2}-y^{2}=0 $ .
BETA
