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On (A={1,2,3}), relation (R={(1,2),(2,1),(2,3),(3,2),(1,1)}) is given. Choose the correct option.

Answer and explanation

Correct answer: (R) is symmetric

Step 1: For symmetry, we only need to check reverse pairs of the pairs that are present. Step 2: ((1,2)) has ((2,1)), and ((2,3)) has ((3,2)). A diagonal pair reverses to itself. Step 3: All diagonal pairs are not required for symmetry.

Related tags

Symmetric RelationDiagonal PairsConceptual McqRelations And FunctionsMathematicsClass 12 Mcq

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