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The value of hatixx(hatixxveca)+hatjxx(h...

The value of `hatixx(hatixxveca)+hatjxx(hatjxxveca)+hatkxx(hatkxxveca)` is

A

`veca`

B

`vecaxxhatk`

C

`-2veca`

D

`-veca`

Text Solution

Verified by Experts

The correct Answer is:
C
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Prove that hati xx(vecaxxveci)+hatjxx(vecaxxvecj)+hatkxx(vecaxxveck)=2veca

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