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CGP EDU Academic Team
Published on: August 14, 2026
If M is foot of perpendicular from point P on a parabola to its directrix & SPM is an equilateral triangle where S is focus then SP is equal to λ a. Where λ equals
Text Solution
Verified by ExpertsThe correct answer is:
4
Ans. 4
Sol.
SP = PM = SZ as Δ is equilateral
Now SZ = 2a
In Δ SMZ
sin30° = 
M = 4a = SP
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