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JEE Main 2026 Mathematics question

MathematicsThree Dimensional GeometryJEE Main 2026

A line with direction ratios 1, −1, 2 intersects the lines and at the points P and Q, respectively. If the length of the line segment PQ is α, then 225α² is equal to:

Answer: (B)

Solution

Parametrising both lines and requiring ∥ (1,−1,2) gives P = (2/5,

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Question ID VK-015273