Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: La derivada de [f left parenthesis x right parenthesis equals # p over # q] és ... (heu de simplificar la fracció) : (-8·x^2+28·x-4)/(3·x^2-2·x+2); (12·x^3+12·x^2-28·x+12)/(9·x^4-12·x^3+16·x^2-8·x+4); Cap de les altres opcions; (-8·x^2+28·x-4)/(9·x^4-12·x^3+16·x^2-8·x+4); (x+1)/(3·x-1)
Right answer summary: (-8·x^2+28·x-4)/(9·x^4-12·x^3+16·x^2-8·x+4)
Question state: todo