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If a, b and c are unit vectors such...

If a, b and c are unit vectors such that ` a + b+c=0` and ` (a,b)=(pi)/(3) ,` then `| a xx b | +|b xxc |+|c xx a|=`

A

`3/2`

B

`0`

C

`(3sqrt(3))/(2)`

D

`3`

Text Solution

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The correct Answer is:
C
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