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If (A={1,2,3}) and (R={(1,2),(2,1),(1,3),(3,1),(2,2)}), choose the correct statement about (R).

Answer and explanation

Correct answer: It is symmetric but not reflexive

Step 1: ((1,2)) has ((2,1)), and ((1,3)) has ((3,1)). Step 2: ((2,2)) is its own reverse, so it creates no issue. Step 3: For symmetry, check reverses of existing pairs only, not pairs that are absent.

Related tags

Symmetric RelationReflexive CheckOrdered PairsClass 12Relations And FunctionsMathematicsClass 12 Mcq

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