Let A = {2, 3, 6, 8, 9, 11} and B = {1, 4, 5, 10, 15} Let R be a relation on A × B define by (a, b)R(c, d) if and only if 3ad – 7bc is an even integer. Then the relation R is
1
reflexive but not symmetric.
2
transitive but not symmetric.
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reflexive and symmetric but not transitive.
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an equivalence relation.
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