Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Hallar los focos de la cónica de ecuación 2·x^2+4·x-2·y^2+4·y-1=0. Dar la respuesta de la forma siguiente: [open curly brackets open square brackets f subscript 11 comma f subscript 12 close square brackets comma open square brackets f subscript 21 comma f subscript 22 close square brackets close curly brackets], donde cada [f subscript ij] es un número. #tauler1
Right answer summary: The content can not be displayed.
Question state: todo