Question: A complete graph Kn on n vertices has one edge joining every distinct pair of vertices. (a) Draw K3, K4 and K5. (b) Choose an

A complete graph Kn on n vertices has one edge joining every distinct pair of vertices.
(a) Draw K3, K4 and K5.
(b) Choose an orientation for each edge and write out the resulting incidence matrix of each digraph.
(c) How many edges does Kn have?
(d) How many independent circuits?

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