If M is the foot of the perpendicular from a point P of a parabola y 2 = 4ax to its directrix and SPM is an equilateral triangle, where S is the focus, then SP is equal to :

If M is the foot of the perpendicular from a point P of a parabola y 2 = 4ax to its…

Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry

If M is the foot of the perpendicular from a point P of a parabola y² = 4ax to its directrix and SPM is an equilateral triangle, where S is the focus, then SP is equal to :

Answer

(D) 4a

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