A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A 3 7 22-32 A 7 14 42 -56 3 8 26-40 1.3 10-16 014-8 000 0 Find a basis for Col A (Simplify your answer. Use a comma to separate answers as needed) Find a basis for Nul A (Simplify your answer Use a comma to separate answers as needed.)