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Let A= (1, 2, 3, 4, 6). Let R be the rel...

Let A= (1, 2, 3, 4, 6). Let R be the relation on A defined by `{(a,b) a, b in A,b` is exactly divisible by a]
(i) Write R in roster form
(ii) Find the domain of R
(iii) Find the range of R.

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