Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Estudia el sistema segons els valors de a [open table row cell left parenthesis a plus 1 right parenthesis x plus y plus z equals negative 1 end cell row cell left parenthesis negative a minus 1 right parenthesis x minus 2 z equals 2 end cell row cell y plus left parenthesis a squared minus a minus 1 right parenthesis z equals negative a plus 2 end cell end table close curly brackets] El sistema és SI si a={-1; 2; 3; -2; 1; 0} El sistema és SCI si a={-1; 1; -3; 2; 0} i la solució és x={-1-t; 1+t; -2; 2t-1; t; 0} y={0; 1+t; -1-t; t} z={t-3; t; 0; 3t+2; 1+t; -1-t}
Right answer summary: part 1: -1; part 2: 1; part 3: -1-t; part 4: 1+t; part 5: t
Question state: todo