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On real numbers, (aRb) if and only if (a^3=b^3). Choose the correct statement about this relation.

Answer and explanation

Correct answer: It is an equivalence relation and every class is singleton

Step 1: For every real number, (a^3=a^3), so the relation is reflexive. Step 2: Equality of cubes works in both directions and is transitive. Step 3: Over real numbers, (a^3=b^3) implies (a=b), so every equivalence class is singleton.

Related tags

Cube FunctionReal NumbersEquivalence RelationSingleton ClassRelations And FunctionsMathematicsClass 12 Mcq

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