1.

A plane passes through (2,3,-1) and is perpendicular to the line having d.c's ((3)/(sqrt(74)),(-4)/(sqrt(74)),(7)/(sqrt(74))). The perpendicular distance from origin to this plane is

Answer»

`(3)/(sqrt(74))`
`(5)/(sqrt(74))`
`(6)/(sqrt(74))`
`(13)/(sqrt(74))`

Answer :D


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