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JEE Main 2024 Mathematics question

MathematicsParabolaJEE Main 2024

Suppose AB is a focal chord of the parabola y² = 12x of length l and slope m < √3. If the distance of the chord AB from the origin is d, then ld² is equal to .

Answer: 108

Solution

For a focal chord inclined at θ, l = 4a/sin²θ = 12/sin²θ; the chord passes

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Question ID VK-011577