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If veca, vecb, vecc are unit vectors, su...

If `veca, vecb, vecc` are unit vectors, such that `veca+vecb+vecc=0` then the value of `veca cdot vecb+vecb cdot vecc+vecc cdot veca`=

A

`2//3`

B

`-2//3`

C

`3//2`

D

`-3//2`

Text Solution

Verified by Experts

The correct Answer is:
D
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