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(a) Let R be the relation on Z defined b...

(a) Let R be the relation on Z defined by aRb if and only if `a-b` is an integer. Find: (i) R (ii) domain of R (iii) range of R.
(b) Let R be the relation on Z defined by: `R = {(a,b) : a in Z, b in Z, a^(2) = b^(2)}`
Find (i) R (ii) domain of R (iii) range of R.

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