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A relation R is defined on Z by a R b if 3 | (a^3 - b). Prove or disprove that: a) R is reflexive b) R is transitive (Z = integers)?

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  • A relation R is defined on Z by a R b if 3 | (a^3 - b). Prove or disprove that: a) R is reflexive b) R is transitive (Z = integers)?


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