Q .     Let `veca,vecb` and `vecc` be three non-coplanar vectors and let `vecp,vecq` and `vecr` be the vectors defined by

`vecp=(vecbxxvecc)/([vecavecbvecc]),vecq=(veccxxveca)/([vecavecbvecc]),vecr=(vecaxxvecb)/([vecavecbvecc])`. Then `(veca+vecb)*vecp+(vecb+vecc)*vecq+(vecc+veca)*vecr=`

EAMCET 2012
A

`0`

B

`1`

C

`2`

D

`3`

HINT

`veca*vecp=vecb*vecq=vecc*vecr=([veca vecbvecc])/([vecavecbvecc])=1` And, `vecb*vecp=vecc*vecq=veca*vecr=0`

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