how that the following graphs are planar: 1.b. 1.c.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
Show that the following graphs are planar:
mple 2
Verify Euler's formula for the planar graph.
tion
There are 11 edges in the graph, seven vertices, and six faces (includin
ite face). Then v + f= 7 + 6 13 and e + 2 = 11 + 2 = 13, so v + f= e + 2.
%3D
%3D
YOUR TURN
ruction: Answer what is asked. Do your works on a long bond paper wi
gin in all sides
how that the following graphs are planar:
1.b.
1.c.
Show that the graphs are not planar:
Transcribed Image Text:mple 2 Verify Euler's formula for the planar graph. tion There are 11 edges in the graph, seven vertices, and six faces (includin ite face). Then v + f= 7 + 6 13 and e + 2 = 11 + 2 = 13, so v + f= e + 2. %3D %3D YOUR TURN ruction: Answer what is asked. Do your works on a long bond paper wi gin in all sides how that the following graphs are planar: 1.b. 1.c. Show that the graphs are not planar:
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