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Let a, b and c be three unit vectors such that a x ( b x c) = √3/2 ( b + c). If b is not parallel to c, then the angle between a and b is

+2 votes
in JEE by kratos

Let a, b and c be three unit vectors such that a x ( b x c) = √3/2 ( b + c). If b is not parallel to c, then the angle between a and b is

(a) 3π/4

(b) π/2

(c) 2π/3

(d) 5π/6

1 Answer

+1 vote
by kratos
 
Best answer

The correct option is (d) 5π/6 .

Explanation:

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