Question: rove that the relation R defined on the set X = Z by mRn (3m)2+n2 is divisible by 5 is an equivalence relation. Determine

rove that the relation R defined on the set X = Z

rove that the relation R defined on the set X = Z by mRn (3m)2+n2 is divisible by 5 is an equivalence relation. Determine its equivalence classes [0] R, [7]R. I many different equivalence classes does this relation h

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