Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: [D a c a space A comma space B space element of space M subscript 2 left parenthesis straight real numbers right parenthesis comma space a t u n c i space d e t left parenthesis A space plus space B right parenthesis space plus space d e t left parenthesis A space minus space B space right parenthesis space equals]: [2 times left parenthesis space d e t left parenthesis A right parenthesis space plus space d e t left parenthesis B right parenthesis space right parenthesis]; [2 times left parenthesis space d e t left parenthesis A right parenthesis space minus space d e t left parenthesis B right parenthesis space right parenthesis]; 0; [2 times d e t left parenthesis A right parenthesis]
Right answer summary: [2 times left parenthesis space d e t left parenthesis A right parenthesis space plus space d e t left parenthesis B right parenthesis space right parenthesis]
Question state: todo