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If (R={(1,1),(1,2)}) on (A={1,2}), why is it not reflexive?

Answer and explanation

Correct answer: ((2,2)) is absent

Step 1: In a reflexive relation every element must be related to itself. Step 2: For element (2), ((2,2)) is missing, so the condition fails. Step 3: Missing even one diagonal pair destroys reflexivity.

Related tags

RelationsReflexive-RelationExam-PracticeIntroduction To RelationsRelations And FunctionsMathematicsClass 12 Mcq

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