Conic Sections Question 173
Question: From the point (-1, 2) tangent lines are drawn to the parabola $ y^{2}=4x $ , then the equation of chord of contact is
[Roorkee 1994]
Options:
A) $ y=x+1 $
B) $ y=x-1 $
C) $ y+x=1 $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Chord of contact of $ (-1,2) $ is $ y^{2}=2x/\pi $ or $ y=x-1 $ .
BETA
