The direction cosines of the line joinin...

The direction cosines of the line joining the points `(4,3,-5)` and `(-2,1-8)` are

A

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

B

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

C

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

D

None of these

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The correct Answer is:

A

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