The lines x - 1 1 = y - 2 2 = z - 3 3 and x 2 = y + 2 2 = z - 3 -2 are

MHT CET Mathematics question

The lines and are

Answer: (A)

Direction ratios and have dot product , so the lines are at right angles. They are not parallel (ratios differ), so (c) is false

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Question ID VK-027230