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The projections of a vector on the three...

The projections of a vector on the three coordinate axes are 6, -3, 2 respectively. The direction cosines of the vector are

A

6, -3, 2

B

`(6)/(5), -(3)/(5), (2)/(5)`

C

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

D

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

Text Solution

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The correct Answer is:
C
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  10. In a parallelogram ABCD, P is the mid point of the side AD. The line ...

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  12. In the Cartesian plane, O is the origin of the coordinate axes. A pers...

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