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Question 42

Mathematics Scalar and Vector Products Hard

If \(\vec{a}, \vec{b}\) and \(\vec{c}\) are unit vectors, then \(|{a - b}|^2 + |{b - c}|^2 + |{c - a}|^2\) does not exceed

(A) 4

(B) 9

(C) 8

(D) 6

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Correct Solution: Option B

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