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3D Geometry question

2009 · Shift 0 · Q46

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JEE Main
Mathematics
3D Geometry
2009 · Shift 0 · Q46

3D Geometry question

2009 · Shift 0 · Q46

JEE MainMathematics3D GeometryMCQ+4 / −1

The projections of a vector on the three coordinate axis are

6,-3,2

respectively. The direction cosines of the vector are :

A
${6 \over 5},{{ - 3} \over 5},{2 \over 5}$
B
${6 \over 7 },{{ - 3} \over 7},{2 \over 7}$
C
${- 6 \over 7 },{{ - 3} \over 7},{2 \over 7}$
D
$6, -3, 2$

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