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Let veca,vecb,vecc be three noncolanar v...

Let `veca,vecb,vecc` be three noncolanar vectors and `vecp,vecq,vecr` are vectors defined by the relations` vecp= (vecbxxvecc)/([veca vecb vecc]), vecq= (veccxxveca)/([veca vecb vecc]), vecr= (vecaxxvecb)/([veca vecb vecc])` then the value of the expression `(veca+vecb).vecp+(vecb+vecc).vecq+(vecc+veca).vecr`. is equal to (A) 0 (B) 1 (C) 2 (D) 3

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