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The d.c.s. of a vector whose direction r...

The d.c.s. of a vector whose direction ratios are 2, 3, -6 are …............. .

A

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

B

`((2)/(49), (3)/(49), (-6)/(49))`

C

`((sqrt2)/(7), (sqrt3)/(7), (-sqrt6)/(7))`

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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