1.

The unit vector in the direction 6hati-2hatj+3hatk is ………….

Answer»

`(6)/(7)HATI+(2)/(7)HATJ+(3)/(7)hatk`
`(6)/(7)hati-(2)/(7)hatj+(3)/(7)hatk`
`(-6)/(7)hati+(2)/(7)hatj+(3)/(7)hatk`
`(6)/(7)hati+(2)/(7)hatj-(3)/(7)hatk`

Answer :B


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