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If a line has the direction ratios -18, ...

If a line has the direction ratios -18, 12, -4 then its direction cosines will be -

A

`9/11, 6/11, 2/11`

B

`-9/11, 6/11, -2/11`

C

`9/11, -6/11, -2/11`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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