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If a, b, c are non-zero , non-collinear ...

If a, b, c are non-zero , non-collinear vectors and `a xx b = bxx c = cxxa` , then a + b+ c =

A

3a

B

0

C

`3 (a xxb)`

D

`3 (b xxc)`

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The correct Answer is:
B
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