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On (A={1,3,5,7}), (aRb) when (a+b) is even. What type of relation is (R)?

Answer and explanation

Correct answer: Universal and equivalence relation

Step 1: All elements are odd, and the sum of two odd numbers is even. Step 2: Therefore, every pair belongs to the relation, making it universal. Step 3: If all pairs are present, all three equivalence properties hold.

Related tags

RelationsFunctionsEquivalence RelationEven SumUniversal RelationRelations And FunctionsMathematicsClass 12 Mcq

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