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If hati,hatj and hatk are unit vectors a...

If `hati,hatj` and `hatk` are unit vectors along X,Y `&` Z axis respectively, then tick the wrong statement:

A

`hati*hati= 1`

B

`hatixxhatj= hatk`

C

`hati*hatj=0`

D

`hatixxhatk=-hati`

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