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On the set of all students, (xRy) if and only if (x) and (y) have the same date of birth. Why is this an equivalence relation?

Answer and explanation

Correct answer: Because having the same date of birth is reflexive, symmetric, and transitive

Step 1: Every student has the same date of birth as himself or herself. Step 2: If the first student has the same date as the second, the second has the same date as the first. Step 3: If two students share the same date with a third student, they share it with each other too.

Related tags

Daily Life RelationEquivalence RelationSame Date Of BirthConceptualRelations And FunctionsMathematicsClass 12 Mcq

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