Check whether the following relations are reflexive, symmetric, transitive and anti-symmetric and hence verify that is the relation an equivalence relation.
1) The relation R={(1,2),(2,1),(3,2),(2,3)} on set A={1,2,3}.
2)The relation R={(1,2),(2,3),(1,3)} on set A={1,2,3}.
3)The relation R={(1,1),(2,2),(3,3),(1,2),(2,1),(2,3),(3,2),(1,3),(3,1)} on set A={1,2,3}.
Please Explain