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Consider the line L:(x-1)/2=y/1=(z+1)/(-...

Consider the line `L:(x-1)/2=y/1=(z+1)/(-2)` and a point A(1, 1, 1). Let P be the foot of the perpendicular from A on L and Q be the image of the point A in the line L, O being the origin. The distance of the origin from the plane passing through the point A and containing the line L, is (a)`1/3` (b) `1/(sqrt(3))` (c) `2/3` (d) `1/2`

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