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Let veca, vecb, vecc be three non-coplan...

Let `veca, vecb, vecc` be three non-coplanar vectors and `vecp,vecq,vecr` be the vectors defined by the relations.
`vecp=(vecbxxvecc)/([(veca, vecb, vecc)]),vecq=(veccxxveca)/([(veca, vecb, vecc)]),vecr=(veccxxveca)/([(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

Text Solution

Verified by Experts

The correct Answer is:
D
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  13. If the vectors vec c , vec a=x hat i+y hat j+z hat ka n d vec b= hat ...

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