LetPbe a point not on the lineLthat passes through the pointsQandR. The distancedfrom the pointPto the lineLis

d=

|ab|

|a|

where

a=QRandb=QP.

Use the above formula to find the distance from the point to the given line.

(5, 2, 1); x = 3 + t, y = 3 2t, z = 4 3t