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Let A = {1, 2, 3, 4, 6}. Let R be the re...

Let `A = {1, 2, 3, 4, 6}`. Let R be the relation on A defined by `{(adot 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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Given `A` = `{1, 2, 3, 4, 6}`
`R`=`{(adot b): a , b in A , b` is exactly divisible by a}
`R`=`{(1,1),(1,2),(1,3),(1,4),(1,6),(2,2),(2,4),(2,6),(3,3),(3,6),(4,4),(6,6)}`
Domain of `R`=`{1, 2, 3, 4, 6}`
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