1.

Let L_(1) be a line with direction ratios (-2,-1,2)andL_(2) be the line joining the points (1,2,3)and(3,2,1), If theta is the angle between the lines L_(1)andL_(2) then |sintheta| equals:

Answer»

`1//3`
`1//4`
`1//3sqrt(2)`
`1//2`

ANSWER :A


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