Find the sum of the degrees of the vertices of each graph

Chapter , Problem 4E

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QUESTION:

Find the sum of the degrees of the vertices of each graph in Exercises 1–3 and verify that it equals twice the number of edges in the graph.

Questions & Answers

QUESTION:

Find the sum of the degrees of the vertices of each graph in Exercises 1–3 and verify that it equals twice the number of edges in the graph.

ANSWER:

Step 1 of 3

In Ex.  

The number of edges is  .

The condition  holds.

 

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