Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let
be the parabola and
be its focus. Let PQ be a focal chord of the parabola
such that
. Let C be the circle described taking PQ as a diameter. If the equation of a circle
is
, then
is equal to .
Text Solution
Verified by ExpertsThe correct answer is:
1328
(1328) 
Let
and
(ends of focal chord)
So,
S(3, 0)
(dist. from directrix)
considering
and 
Hence, diametric circle:

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