The following matrix is the augmented matrix for a system of
linear equations. A =
1
1
0
1
1
0
0
1
3
3
0
0
0
1
1
2
2
0
5
5
(a) Write down the linear system of equations whose augmented
matrix is A.
(b) Find the reduced echelon form of A.
(c) In the reduced echelon form of A, mark the pivot
positions.
(d) Does the system have no solutions, exactly one solution or
infinitely...