The projection of vector hati - 2 hatj +...

The projection of vector `hati - 2 hatj + hatk` on the vector `4 hati - 4 hatj + 7 hatk ` is :

A

`(5)/(19) sqrt5`

B

`2 (1)/(9)`

C

`(9)/(19)`

D

`(1)/(19) sqrt6.`

Verified by Experts

The correct Answer is:

B

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