# isomorphic graph, bipartite graph, and planar graph

**Tutor description**

(2) Give an example of a pair of graphs which have identical degree sequences, but which are not isomorphic These two graphs are not isomorphic because in (i) the vertex of degree 4 is joined to vertices of degree 1,1,3, and 2, but in (ii) the vertex of degree 4 is joined to vertices of degree 1,1,3 and 3

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