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JEE Main 2024 Mathematics question

MathematicsParabolaJEE Main 2024

Let the length of the focal chord PQ of the parabola y² = 12x be 15 units. If the distance of PQ from the origin is p, then 10p² is equal to

Answer: 72

Solution

A focal chord inclined at θ has length 4a/sin²θ = 12/sin²θ = 15, so sin²θ

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Question ID VK-011485