Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Seleccione la sustitución trigonométrica que necesita para resolver la integral: [integral # f u n space d x] : x=sec(t)/3 ; x=sen(t)/3 ; x=3·tan(t) ; x=3·sen(t) ; x=tan(t)/3
Right answer summary: x=sen(t)/3
Question state: todo