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JEE Main 2007 Mathematics question

MathematicsThree Dimensional GeometryJEE Main 2007

Let be the line of intersection of the planes and . If makes an angles with the positive -axis, then equals

Answer: (1)

Solution

Direction of L $= (2, 3, 1)×(1, 3, 2) = (6 - 3, 1 - 4, 6 - 3) = (3,

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Question ID VK-039001