If the direction cosines of a line are k, k and k, then

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Q 1880634517.     If the direction cosines of a line are k, k and k, then
A

`k > 0`

B

`0 < k < 1`

C

`k = 1`

D

`k = 1/sqrt3` or `-1/sqrt3`

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

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