Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: La integral [integral subscript negative straight pi divided by # straight a end subscript superscript straight pi divided by # straight a end superscript # f f u n squared open parentheses x close parentheses d x] és igual a:: [# resul4]; [# resul1]; [# resul3]; [# resul2]
Right answer summary: [# resul1]
Question state: todo