The projection of a vector on the three ...

The projection of a vector on the three coordinate axes are `6, -3, 2`, respectively.
The direction cosines of the vector are

A

(a) `6,-3,2`

B

(b) `(6)/(5),-(3)/(5),(2)/(5)`

C

(c) `(6)/(7),-(3)/(7),(2)/(7)`

D

(d) `-(6)/(7),-(3)/(7),(2)/(7)`

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The correct Answer is:

C

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