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CGP EDU Academic Team
Published on: August 14, 2026
P is a point on the parabola y 2 = 4ax (a > 0) whose vertex is A. PA is produced to meet the directrix in D and M is the foot of the perpendicular from P on the directrix. If a circle is described on MD as a diameter then it intersects the x − axis at a point whose co − ordinates are
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a,d)
Equation of PA is
y = 
x ...... (i)
D 
M(– a, 2at)
write the equation of circle with MD as diameter
and then solve with x - axis
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