Question:medium

The length of the latus-rectum of the parabola whose focus is ((u²)/(2g)\sin2α,-(u²)/(2g)\cos2α) and directrix is y=(u²)/(2g), is:

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Latus-rectum length of parabola = 4a.

Updated On: Mar 18, 2026

(u²)/(g)cos²α
(u²)/(g)\cos2α
(2u²)/(g)cos² 2α
(2u²)/(g)cos²α

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The Correct Option is D

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