Question: Write down the chromatic polynomials of (i) the complete graph K6; (ii) the complete bipartite graph K1.5. In how many ways can these graphs

Write down the chromatic polynomials of (i) the complete graph K6; (ii)

Write down the chromatic polynomials of (i) the complete graph K6; (ii) the complete bipartite graph K1.5. In how many ways can these graphs be coloured with 7 colours?

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