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MHT CET 2025 Mathematics question

MathematicsThree Dimensional GeometryMHT CET 2025

The equation of the plane passing through the line of intersection of the planes and and perpendicular to the XY-plane is

Answer: (A)

Solution

The required plane is , i.e. . It is perpendicular to the XY-plane (normal ) when its normal is perpendicular to , i.e. the coefficient of is zero: .

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Question ID VK-100653