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Why is (R={(1,2)}) not symmetric on (A={1,2})?

Answer and explanation

Correct answer: Because ((2,1)) is missing

Step 1: For symmetry, every pair must have its reverse pair. Step 2: ((1,2)) is present but ((2,1)) is not, so the relation is not symmetric. Step 3: Symmetry depends on reverse pairs, not necessarily on diagonal pairs.

Related tags

RelationsSymmetric-RelationConcept-CheckIntroduction To RelationsRelations And FunctionsMathematicsClass 12 Mcq

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