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If (R) is an equivalence relation on a set (A) and ([a]\cap[b]\neq \varnothing), which conclusion is definitely true?

Answer and explanation

Correct answer: ([a]=[b])

Step 1: In an equivalence relation, two equivalence classes are either disjoint or identical. Step 2: If they have a common element, they must be the same class. Step 3: In exams, a non-empty intersection of classes directly implies equality.

Related tags

Equivalence ClassesPartitionIntersectionEquivalence RelationRelations And FunctionsMathematicsClass 12 Mcq

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