MHT CET 2025 Mathematics question

Mathematics Vector Algebra MHT CET 2025

The unit vectors perpendicular to the plane determined by the points A (1, -1, 2) B (2, 0, -1) C (0, 2, 1) is

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

and . Then . Its magnitude is

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Question ID VK-103048