If the lines x - 1 2 = y + 1 3 = z - 1 4 and x - 3 1 = y - k 2 = z1 intersect, then k is equal to

JEE Main 2012 Mathematics question

If the lines and intersect, then k is equal to

Answer: (3)

Points and . From z: t = 1 + 4s; from x: 1 + 2s

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Question ID VK-103803