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For real numbers, (aRb) if both (a) and (b) are positive. Why is this not an equivalence relation?

Answer and explanation

Correct answer: It is not reflexive

Step 1: Real numbers include negative numbers and zero. Step 2: If (a) is negative, (aRa) is false because (a) is not positive. Step 3: Reflexivity must hold for every element of the set.

Related tags

Positive NumbersNot ReflexiveReal NumbersEquivalence RelationRelations And FunctionsMathematicsClass 12 Mcq

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