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प्रश्न
If A = {1, 2, 3, 4} define relations on A which have properties of being reflexive, symmetric and transitive ?
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उत्तर
The relation on A having properties of being symmetric, reflexive and transitive is
R = {(1, 1), (2, 2), (3, 3), (4, 4), (1, 2), (2, 1)}
The relation R is an equivalence relation on A.
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