Straight Line Question 5
Question: Angle between the lines $ \frac{x}{a}+\frac{y}{b}=1 $ and $ \frac{x}{a}-\frac{y}{b}=1 $ is [MP PET 1995]
Options:
A) $ 2{{\tan }^{-1}}\frac{b}{a} $
B) $ {{\tan }^{-1}}\frac{2ab}{a^{2}+b^{2}} $
C) $ {{\tan }^{-1}}\frac{a^{2}-b^{2}}{a^{2}+b^{2}} $
D) None of these
Correct Answer: A
Show Answer
Answer:
Solution:
BETA
