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If (R={(1,1),(2,2),(3,3),(1,3)}) on (A={1,2,3}), which property is definitely absent?

Answer and explanation

Correct answer: Symmetry

Step 1: All self-pairs are present, so reflexivity holds. Step 2: ((1,3)) is present but ((3,1)) is missing, so symmetry is absent. Step 3: For every non-self pair, always check its reverse pair.

Related tags

RelationsNot SymmetricReflexive RelationIntroduction To RelationsRelations And FunctionsMathematicsClass 12 Mcq

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