for the matrices shown, [H | b'] is the row echelon form that is row equivalent to [A | b].
111. For the matrices shown , [H | bJis the row echelon form that is row equivalent to IA l bl. Use this fact to 1 -2-3 2 3 7-1 1 2-54-3| 10 17 -12 0 1 -10 7 [Alb-12-54-3 [Hib']=1 3 6 9-6 (a) express the general solution of Ax b as X = h + p with p satisfying Ap=b and h satisfies the corresponding homogeneous system
