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If the vectors veca, vecb and vecc form ...

If the vectors `veca, vecb and vecc` form the sides, BC , CA and AB, respectively, of triangle ABC, then

A

`veca.vecb=vecb.vecc=vecc.vecb=0`

B

`veca xx vecb = vecb xx vecc = vecc xx veca`

C

`veca.vecb=vecb.vecc=vecc.veca=0`

D

`veca xx veca + veca xx vecc =veca xx veca =0`

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The correct Answer is:
B
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