Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula [begin mathsize 12px style bold left parenthesis bold # bold a_ bold 1 bold space bold x bold space bold plus bold space bold # bold a_ bold 2 bold right parenthesis bold left parenthesis bold # bold a_ bold 1 bold space bold x bold space bold minus bold space bold # bold a_ bold 2 bold right parenthesis end style]
Right answer summary: The content can not be displayed.
Question state: todo