9000106303

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Project ID: 
9000106303
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
In the plane symmetry (reflection) defined by the plane \(\alpha \), \[ \alpha \colon 2x + y - z - 5 = 0, \] find the image \(A'\) of the point \(A = [0;0;1]\).
\(A' = [4;2;-1]\)
\(A' = [6;3;-2]\)
\(A' = [4;2;1]\)
\(A' = [0;0;1]\)