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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 RhArra^2+b^2=25`

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Given `a` and `b` are integers, i.e. `a, b \in Z`.

`\therefore` Domain of `R=` Set of all first elements in the relation.

`=` Values of ' `a` ' which are in the relation.

`=Z` (Integers)

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