If the lines 1-x 3 = 7y-14 2p = z-3 2 and 7-7x 3p = y-5 1 = 6-z 5 are at right angles, then p =

MHT CET 2023 Mathematics question

If the lines and are at right angles, then p =

Answer: (A)

Rewrite in standard form. Line 1: , direction ratios . Line 2: , direction ratios . Perpendicular lines have zero dot product

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Question ID VK-097501