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(veca.veci)veci+(veca.vecj)vecj+(veca.ve...

`(veca.veci)veci+(veca.vecj)vecj+(veca.veck)veck`=

A

`veca`

B

`2veca`

C

`3veca`

D

`vec0`

Text Solution

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The correct Answer is:
A
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