Conic Sections Question 152
Question: Tangents drawn at the ends of any focal chord of a parabola $ y^{2}=4ax $ intersect in the line
Options:
A) $ y-a=0 $
B) $ y+a=0 $
C) $ x-a=0 $
D) $ x+a=0 $
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Answer:
Correct Answer: D
Solution:
The tangents (at the end points of focal chord) cut orthogonally at the directrix i.e., $ x=-a $ or $ x+a=0 $ .
BETA
