let r be the relation on s 1 3 6 9 27 defined by
Let R be the relation on S = {1, 3, 6, 9, 27} defined by aRb iff a|b.
(a) Write down the matrix of R.
(b) Draw the digraph of R.
(c) Explain whether R is reflexive, irrereflexive, symmetric, antisymmetric, transitive. Describe!
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