Let P Q be a focal chord parabola |Maths| JEE Advanced 2013

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JEE Advance 2013

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Question

Let $P Q$ be a focal chord of the parabola $y^2=4 a x$. The tangents to the parabola at $P$ and $Q$ meet at a point lying on the line $\mathrm{y}=2 \mathrm{x}+\mathrm{a}, \mathrm{a}>0$.

Length of chord $P Q$ is

Select the correct option:

A

$7 a$

B

$5 a$

C

$2 a$

D

$3 a$

✓ Correct! Well done.

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Solution

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