2010008709

SubArea: 
Analytical Space Geometry
Level: 
C
Project ID: 
2010008709
Source Problem: 
2010008710
Accepted: 
0
Clonable: 
1
Easy: 
0
Reflect the point \(P=[4, −8, 7]\) across the plane \(\sigma\colon 3x-2y+4z+2=0\). Hint: The line \(PP'\) is perpendicular to the plane \(\sigma\) (see the picture).
\(P'=[-8,0,-9]\)
\(P'=[-2,-4,-1]\)
\(P'=[10,-12,15]\)
\(P'=[16,-16,23]\)