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On natural numbers, (R={(a,b):a) is a proper divisor of (b)(}), where proper divisor means (a\ne b). What is (R)?

Answer and explanation

Correct answer: Not reflexive

Step 1: A proper divisor requires (a\ne b). Step 2: In a self-pair ((a,a)), (a=b), so self-pairs are not included. Step 3: Distinguish proper divisor from ordinary divisibility.

Related tags

Proper DivisorNot ReflexiveDivisibility RelationClass 12Reflexive RelationRelations And FunctionsMathematicsClass 12 Mcq

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