For the following 12345 parts show your work or explain how you used work already done in the other parts to get your answer. Let Let U = col(A), V = row (A), W = (1) Find RREF(A) (2) Find a basis of V (3) Find a basis of W (4) Find a basis of V (5) Find a basis of U A = null(A). 0 0 1 0 03 0 0 0 -2 6 1