The lines x-3 1 = y-2 1 = z-5 -k and x-4 k = y-3 1 = z-3 2 are coplanar, hence k =

MHT CET 2025 Mathematics question

The lines and are coplanar, hence

Answer: (A)

Points and , direction ratios and . Coplanarity: . Expanding along the first row: , so

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Question ID VK-100615