Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 14 - Graph Theory - 14.1 Graphs, Paths, and Circuits - Exercise Set 14.1: 29

Answer

The edges which are not included are AC and DF.

Work Step by Step

Let's consider the path: E,E,D,C,B,A The edges which are included in this path are the loop from E to itself, ED, DC, CB, and BA. The edges which are not included are AC and DF.
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