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JEE Main 2024 Mathematics question

MathematicsThree Dimensional GeometryJEE Main 2024

If A(3, 1, −1), B, C(2, 2, 1) and D are the vertices of a quadrilateral ABCD, then its area is

Answer: (A)

Solution

Area = ½|| with = (−1, 1, 2) and = (5/3,

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Question ID VK-011729