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If vec a + 2 vec b + 3 vec c = vec 0, th...

If `vec a + 2 vec b + 3 vec c = vec 0`, then `(vec a xx vec b)+ (vec b xx vec c) + (vec c xx vec a) =`

A

`vec 0`

B

`6(vec b xx vec c)`

C

`2 (vec b xx vec c)`

D

`3(vec a xx vec c)`

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The correct Answer is:
B
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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