Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The angle between the normals to the parabola y 2 = 24x at the points (6, 12) and (6, -12) is
Text Solution
Verified by ExpertsThe correct answer is:
D
Let 2at 1 = 12
⇒ ⇒ t 1 = 1
2at 2 = -12
t 2 = -1
∴ ∴ t 1 t 2 = -1 ⇒ ⇒ (-t 1 ) (-t 2 ) = -1
⇒ ⇒ (slope of normal at t 1 )
(slope of normal at t 2 ) = -1
∴ ∴ Angle between the normals = 90 0
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