Pair Of Straight Lines Question 101
Question: The equation of the bisectors of the angle between lines represented by equation $ 4x^{2}-16xy-7y^{2}=0 $ is
Options:
A) $ 8x^{2}+11xy-8y^{2}=0 $
B) $ 8x^{2}-11xy-8y^{2}=0 $
C) $ 16x^{2}+11xy-16y^{2}=0 $
D) $ 16x^{2}+11xy+16y^{2}=0 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ \frac{x^{2}-y^{2}}{11}=\frac{xy}{-8}\Rightarrow 8x^{2}+11xy-8y^{2}=0 $ .
BETA
