MHT CET 2026 Mathematics question

MathematicsThree Dimensional GeometryMHT CET 2026

The acute angle between the -plane and the plane passing through the point (1, 2, 4) and parallel to the vectors with direction ratios 3, 2,-1 and 1, -2, -2 is...

Answer: (A)

Solution

The normal of the required plane is . The normal of the -plane is . The angle between the planes satisfies

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Question ID VK-100482