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On (A={1,2,3,4,5,6}), relation (R) has classes ({1,2,6},{3,5},{4}). Along with ((6,1)) and ((5,3)), which pair must be in (R)?

Answer and explanation

Correct answer: ((2,6))

Step 1: All elements of the same equivalence class are related to one another. Step 2: (2) and (6) both lie in ({1,2,6}). Step 3: Therefore ((2,6)) must belong to the relation.

Related tags

Same ClassOrdered PairsEquivalence RelationRelations And FunctionsMathematicsClass 12 Mcq

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