Three Dimensional Geometry

Section: Mathematics
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Question : 34 of 58
 
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Let P(x1,y1,z1) be the foot of perpendicular drawn from the point Q(2,−2,1) to the plane x−2y+z=1. If d is the perpendicular from the point Q to the plane and l=x1+y1+z1, then l+3d2 is
[AP EAPCET 21 May 2024 Shift 2]
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