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The direction cosines of the line passin...

The direction cosines of the line passing through P(2,3,-1) and the origin are

A

`2/sqrt14,3/sqrt14,1/sqrt14`

B

`2/sqrt14,-3/sqrt14,1/sqrt14`

C

`-2/sqrt14,-3/sqrt14,1/sqrt14`

D

`2/sqrt14,-3/sqrt14,-1/sqrt14`

Text Solution

Verified by Experts

The correct Answer is:
C
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HIMALAYA PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
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