MHT CET 2025 Mathematics question

If the points A (1, 1, 2), B (2, 1, p), C (1, 0, 3) and D (2, 2, 0) are coplanar then the value of p is

Answer: (C)

Solution

Four points are coplanar when have zero scalar triple product. , , . Then . Setting

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Question ID VK-101213