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On (A={1,2,3,4,5,6}), (aRb) holds when (a) and (b) are both multiples of (3) or both not multiples of (3). What type of relation is it?

Answer and explanation

Correct answer: Equivalence relation

Step 1: Every element is in the same group as itself, so reflexivity holds. Step 2: Being in the same group is symmetric. Step 3: The two classes are ({3,6}) and ({1,2,4,5}), so the relation is an equivalence relation.

Related tags

Multiples Of 3ClassificationEquivalence RelationRelations And FunctionsMathematicsClass 12 Mcq

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