Q3): Relations Determine whether each of the following relations is reflexive, irreflexive, symmetric, antisymmetric or transitive. (15 pts) a. R={(1,3),(2,2),(3,1),(4,0)} b. R={(1,0),(2,0),(3,0),(4,0),(2,1),(3,1),(4,1),(3,2),(4,2),(4,3)} c. {(1,2),(2,1),(2,2)}