Q. Let R = {(3, 3), (6, 6), (9, 9), (12,12), (3,6), (6,3), (3, 9), (9, 3), (9, 12),(12,9)} be a relationon the set A = {3, 6, 9, 12}. The relation is _________ (Solved)
1. reflexive and transitive
2. reflexive and symmetric
3. symmetric and transitive
4. equivalence relation
- d. equivalence relation