The direction cosines of the line drawn from `P( -5, 3, 1)` to Q `(1, 5, - 2)` is

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Q 2146001873.     The direction cosines of the line drawn from `P( -5, 3, 1)` to

Q `(1, 5, - 2)` is
A

`(6, 2,-3)`

B

`(2,- 4, 1)`

C

`(-4, ,8 , -1)`

D

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

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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