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Which of the following represents direct...

Which of the following represents direction cosines of the line ?

A

`0,(1)/(sqrt2),(1)/(2)`

B

`0,(-sqrt3)/(2),(1)/(sqrt2)`

C

`0,(sqrt3)/(2),(1)/(2)`

D

`(1)/(2),(1)/(2),(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C

If direction cosine of a line is l, m, n then,
`l^(2)+m^(2)+n^(2)=1`
`0^(2)+((sqrt3)/(2))^(2)+((1)/(2))^(2)=1`
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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- MARCH 2014-SECTION-II
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