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The projections of a line segment on the...

The projections of a line segment on the coordinate axes are 12,4,3 respectively. The length and direction cosines of the line segment are

A

` (: 12/13,4/13,3/13 :)`

B

`(: 12/13,-4/13,3/13 :)`

C

`(: 12/13,-4/13,-3/13 :)`

D

`(: -12/13,-4/13,3/13 :)`

Text Solution

Verified by Experts

The correct Answer is:
A
Direaction cosine of line segment `=(12/13,4/13,3/13)`
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