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Parabola question

2013 · Shift 2 · Q32

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PYQ Library
JEE Advanced
Mathematics
Parabola
2013 · Shift 2 · Q32

Parabola question

2013 · Shift 2 · Q32

JEE AdvancedMathematicsParabolaMCQ+4 / −1

Let

PQ

be a focal chord of the parabola

{y^2} = 4ax

. The tangents to the parabola at

P

and

Q

meet at a point lying on the line

y=2x+a

,

a\gt 0

. Length of chord

PQ

is

A
$7a$
B
$5a$
C
$2a$
D
$3a$

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