1.

Let R be the relation in the set {l, 2,3,4) given by R= {(12), (2,2), (1,1), (4,4).(1.3), (3,3), (3, 2).] Then(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 relation1.

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