Question

Let R be the relation in the set {1,2,3} given by R={(x,y): x+y=6}. Choose correct answer
a)R is reflexive and symmetric but not transitive
b)R is reflexive and transitive but not symmetric
c)R is symmetric and transitive but not reflexive
d)R is an equivalence relation​

Answer 1

a) R is reflexive and symmetric but not transitive