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On (A={1,2,3}), (R={(1,2),(2,1)}) and (S={(2,3),(3,2)}). What is correct about (R\cup S)?

Answer and explanation

Correct answer: (R\cup S) is symmetric

Step 1: (R) contains both ((1,2)) and ((2,1)). Step 2: (S) contains both ((2,3)) and ((3,2)). Step 3: The union keeps all reverse pairs, so it is symmetric.

Related tags

Union Of Symmetric RelationsOrdered PairsClass 12Symmetric RelationRelations And FunctionsMathematicsClass 12 Mcq

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