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If (R\cap R^{-1}=R), what is the correct conclusion about (R)?

Answer and explanation

Correct answer: (R) is symmetric

Step 1: (R\cap R^{-1}=R) implies (R\subseteq R^{-1}). Step 2: This means every pair of (R) has its reverse in (R), so (R) is symmetric. Step 3: Inclusion statements such as (R\subseteq R^{-1}) are useful for proving symmetry.

Related tags

Inverse RelationIntersectionSymmetric RelationProofRelations And FunctionsMathematicsClass 12 Mcq

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