2010008709

Level: 
Project ID: 
2010008709
Source Problem: 
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).
\(P'=[-8;0;-9]\)
\(P'=[-2;-4;-1]\)
\(P'=[10;-12;15]\)
\(P'=[16;-16;23]\)