Conic Sections Question 81

Question: The locus of the point of intersection of the perpendicular tangents to the parabola $ x^{2}=4ay $ is

[MP PET 1994]

Options:

A) Axis of the parabola

B) Directrix of the parabola

C) Focal chord of the parabola

D) Tangent at vertex to the parabola

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Answer:

Correct Answer: B

Solution:

It is a fundamental property.