Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Which matrices are orthogonal? Select them.: [[0,1/2,3^(1/2)/2],[0,3^(1/2)/2,1/2],[-1,0,0]]; [[0,-1,0],[-1/2,0,3^(1/2)/2],[3^(1/2)/2,0,-1/2]]; [[0,1/2,3^(1/2)/2],[1,0,0],[0,3^(1/2)/2,-1/2]]; [[1/2,0,-3^(1/2)/2],[0,1,0],[3^(1/2)/2,0,1/2]]
Right answer summary: [[0,1/2,3^(1/2)/2],[1,0,0],[0,3^(1/2)/2,-1/2]]; [[1/2,0,-3^(1/2)/2],[0,1,0],[3^(1/2)/2,0,1/2]]
Question state: todo