Conic Sections Question 111
Question: . The angle of intersection between the curves $ x^{2}=4(y+1) $ and $ x^{2}=-4(y+1) $ is
[UPSEAT 2002]
Options:
A) $ \frac{\pi }{6} $
B) $ \frac{\pi }{4} $
C) 0
D) $ \frac{\pi }{2} $
Show Answer
Answer:
Correct Answer: C
Solution:
Point of intersection $ =(0,-1) $ ; $ \frac{dy}{dx}=\frac{2x}{4} $ and $ \frac{-2x}{4} $
$ m_1=0,m_2=0 $
therefore $ \theta =0^{o}. $