Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: El límite de [f left parenthesis x comma y right parenthesis equals fraction numerator x y plus a x minus y minus a over denominator x minus 1 end fraction] , con [a equals]-9 cuando (x,y) tiende a (1,4) es
Right answer summary: The content can not be displayed.
Question state: todo