[" 8.Let "A={1,2,3}" .Then,the number of relations containing "(1,2)" and "(1,3)" which are "],[" reflexive and symmetric but not transitive is "],[[" (a) "1," (b) "2," (c) "3," (d) "4]],[[" (a) "1," (b) "2," (c) "3," (d) "4]]