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Which of the following pairs of lines are perpendicular?

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MCQ_SA

Single Answer MCQ

Q-00078334

L1: (1, 0, 1) and L2: (0, 1, 0)

L1: (2, -3, 2) and L2: (3, 2, 1)

L1: (1, 1, 1) and L2: (1, -1, 1)

L1: (4, 3, 2) and L2: (2, 4, 0)

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