Compute the elements a43 and a22 of the matrix: A = [[0, 1, 0], [2, 0, 2], [0, 3, 2], [4, 0, 4]] [[2, -1], [-3, 2], [4, 3]] [[0, 1, -1, 2, -2], [3, -3, 4, -4, 0]]