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Write the domain of the relation R defin...

Write the domain of the relation R defined on the set Z of integers as follows `(a,b) in R <=> a^2+b^2=25`

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Given the relation defined on `Z` is `(a,b)∈R⇔a^ 2 +b^ 2 =25.`

Since a,b are integers then the domain of the relation, i.e. the set of the integers satisfying the given equation, will be `{0,±3,±4,±5}.`
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