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If vector a, b, c be three non parallel unit vectors such that a x (b x c) = 1/2 b, then angle between vector a and c is

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If vector a, b, c be three non parallel unit vectors such that a x (b x c) = 1/2 b, then angle between vector a and c is

(a)  π/2

(b)  0

(c)  π/6

(d)  π/3

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1 Answer

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Best answer

Correct option  π/3

Explanation:

(where θ is the angle between vector a and c)

cosθ = 1/2 

θ = π/3

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