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If vecu = hati xx (veca xx hati), + hatj...

If `vecu = hati xx (veca xx hati), + hatj xx (veca xx hatj) + hatk xx(veca xx hatk)`, then

A

`vecu=0`

B

`vecu=hati+hatj+hatk`

C

`vecu=2veca`

D

`vecu=veca`

Text Solution

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The correct Answer is:
C
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