Let the vectors a and b be such that |a|=3 and |b|=√2/3, then a x b is a unit vector ,if the angle between a and b is

+1 vote
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asked Jan 24, 2018 in Mathematics by sforrest072 (157,439 points) 63 447 1248
edited Mar 7, 2018 by Vikash Kumar

Let the vectors a and b be such that |a|=3 and |b|=√2/3, then a x b is a unit vector ,if the angle between a and b is

(A)  π/6   (B) π/4   (C)   π/3   (D)   π/2

1 Answer

+1 vote
answered Jan 24, 2018 by mdsamim (213,225 points) 5 10 21
selected Jan 25, 2018 by sforrest072
 
Best answer

The correct answer is B.

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