Question 2.45
15. Use the graph shown in Exercise 14 to help you construct a connected graph for which every vertex has valence 3 and that does not have a Hamiltonian circuit.
15.
Drawings can vary. Possible renderings include the following:
15. Use the graph shown in Exercise 14 to help you construct a connected graph for which every vertex has valence 3 and that does not have a Hamiltonian circuit.
15.
Drawings can vary. Possible renderings include the following: