1.

If d.c's of the line joining the origin and a point unit distance from the origin are (1)/(sqrt(3)),(1)/-(2),lambda then the point is

Answer»

`((1)/(SQRT(3)),(1)/(sqrt(2)),(1)/(2)sqrt((5)/(3)))`
`((2)/(sqrt(3)),-1,sqrt((5)/4))`
`((-2)/(sqrt(3)),1-sqrt((5)/(4)))`
`((1)/(2),(1)/(3),sqrt((5)/(3)))`

ANSWER :A


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