If bara is perpendicular to barbxxbarc, ...

If `bara` is perpendicular to `barbxxbarc`, then which of the following is true

A

`baraxx(barbxxbarc)=-bari`

B

`baraxx(barbxxbarc)=bari`

C

`bara.(barbxxbarc)=0`

D

`baraxx(barbxxbarc)=bar0`

Text Solution

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The correct Answer is:

C

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