1.

Consider the lines L _(1) : (x +1)/( 3) = (y+2)/(1) = (z+1)/(2), L_(2): (x-2)/(1) = (y+2)/(2) = (z-3)/(3) The distance ofthe point (1,1,1) from the plance passing through the point (-1,-2,-1) and whose normal is perpendicular to both the lines L _(1) and L _(2) is

Answer»

`(12)/(sqrt65)`
`(14)/(sqrt75)`
`(13)/(sqrt75)`
`(13)/(sqrt65)`

ANSWER :C


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