What are the direction ratios of the line segment PQ? From the point P(3, -1, 11), a perpendicular is drawn on the line L given by the equation x/2 = (y-2)/3 = (z-3)/4. Let Q be the foot of the perpendicular.
1, 6, 4
'-1, 6, -4
'-1, -6, 4
2, -6, 4
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