A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A. 124-2 3 3 0 3 A = 7 6 4 10 2 01 43 3 4 4 0 0 0 0 0 Find a basis for Col A. (Simplify your answer. Use a comma to separate answers as needed.) Enter your answer in the answer box and then click Check Answer. part remaining Clear All