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On (A={1,2,3,4,5}), (R={(a,b):a) and (b) are both prime numbers(}). Is this relation transitive?

Answer and explanation

Correct answer: It is transitive

Step 1: If ((a,b)) is in the relation, then both (a) and (b) are prime. If ((b,c)) is also in the relation, then both (b) and (c) are prime. Step 2: Hence (a) and (c) are both prime, so ((a,c)) is in the relation. Step 3: For a relation built on a shared property, check whether the property passes to the first and third elements.

Related tags

Property RelationPrime NumbersTransitiveClass 12Transitive RelationRelations And FunctionsMathematicsClass 12 Mcq

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