[1 0 1]
[0 1 1]
[0 0 a+1]
[0 a -1]
La transformación de fila elemental es
[1 0 1] p>
[0 1 1]
[0 0 a+1]
[0 0 -1-a]
R(A) = 2 y a = -1.
[1 0 1]
[0 1 1]
[0 0 a+1]
[0 a -1]
La transformación de fila elemental es
[1 0 1] p>
[0 1 1]
[0 0 a+1]
[0 0 -1-a]
R(A) = 2 y a = -1.