Destinysills3211 Destinysills3211
  • 25-05-2023
  • Chemistry
contestada

5. let r be a relation defined on ℤ as follows: for all m, n ε ℤ, m r n iff 3 | (m2 – n2). a) prove that r is an equivalence relation. b) describe the distinct equivalence classes of the relation r.

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