2010008710

SubArea: 
Space geometry
Level: 
C
Project ID: 
2010008710
Source Problem: 
2010008709
Accepted: 
0
Clonable: 
1
Easy: 
0
Reflect the point R=[1;10;−8] across the plane ω:2x−y−3z+12=0. Hint: The line RR′ is perpendicular to the plane ω (see the picture).
R′=[−7;14;4]
R′=[−3;12;−2]
R′=[−1;−10;8]
R′=[−5;34;−14]