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CGP EDU Academic Team
Published on: August 14, 2026
From the focus of the parabola, y 2 = 8x as centre, a circle is described so that a common chord of the curves is equidistant from the vertex & focus of the parabola. The equation of the circle is
Text Solution
Verified by ExpertsThe correct answer is:
A
(x – 2) 2 + y 2 = 9
Sol 
y 2 = 8x
focus : (2, 0)
∴ radius = SP = 
= 3
∴ equation of required circle is (x – 2) 2 + y 2 = 9
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