Three Dimensional Geometry Part 1

Section: Mathematics
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Question : 13 of 100
 
Marks: +1, -0
If Q(0,−1,−3) is the image of P in the plane 3x−y+4z−2=0 and R is the point (3,−1,−2). then the area (in sq.units) of ΔPQR is :
[10 Apr 2019 Shift 1]
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