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On (A={1,2,3,4}), (R=A\times A). Which statement about its equivalence classes is correct?

Answer and explanation

Correct answer: All elements have the single equivalence class (A)

Step 1: In (A\times A), every element of (A) is related to every element of (A). Step 2: Therefore no two elements can lie in different classes. Step 3: This is the universal relation, and its single equivalence class is the whole set (A).

Related tags

Universal RelationEquivalence ClassCartesian ProductFinite SetEquivalence RelationRelations And FunctionsMathematicsClass 12 Mcq

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