Draw the digraph of the following relations = {(1,2), (2,1), (3,3), (1,1), (2,2)} on X = {1,2,3} b. R = {(1,2), (2,3), (3,4), (4,1)} on X = {1,2,3,4} c. Ron {1,2,3} defined by (x, y) = R, if x y R = {(1,1), (2,1), (2,2), (2,3), (3,1), (3,2), (3,3)}