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If veca,vecbandvecc are three vectors su...

If `veca,vecbandvecc` are three vectors such that `veca+vecb+vecc=0and|veca|=2,|vecb|=3and|vecc|=5`, then the value of `veca.vecb+vecb.vecc+vecc.veca` is

A

0

B

1

C

`-19`

D

38

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Verified by Experts

The correct Answer is:
C
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VMC MODULES ENGLISH-VECTORS -JEE ADVANCED (ARCHIVE) (TRUE/ FALSE)
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