Question 3 2 1 1 2 0 2 4 1 2 3 6 1 a Find the reduced row echelon form of A using Gauss Jordan elimination Let A 1 1 2 7 2 b If A is the augmented matrix of a linear system is that system consistent Explain 1 2 1 1 20 2 4 1 2 61 4 d Find a basis for the mill space of A 1 1 2 Recall that A e Find a basis for the column space of A f Determine the dimension of the row space of A Explain