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If the inverse (R^{-1}) of a relation (R) is equal to the relation itself, what is the correct conclusion about (R)?

Answer and explanation

Correct answer: (R) is symmetric

Step 1: In (R^{-1}), every ordered pair is reversed. Step 2: If (R^{-1}=R), then every reverse pair already belongs to (R). Step 3: Treat equality with the inverse as a quick test for symmetry.

Related tags

Inverse RelationSymmetric RelationConcept TestRelations And FunctionsMathematicsClass 12 Mcq

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