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On (A={1,2,3,4}), relation (R={(a,b):a) divides (b)(}). What type of relation is it?

Answer and explanation

Correct answer: reflexive and transitive but not symmetric

Step 1: Every number divides itself, so the relation is reflexive. Step 2: If (a\mid b) and (b\mid c), then (a\mid c), so it is transitive. Step 3: Since (1\mid 2) is true but (2\mid 1) is false, it is not symmetric.

Related tags

RelationsDivisibilityPartial-OrderClass12Introduction To RelationsRelations And FunctionsMathematicsClass 12 Mcq

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