Let G D .V; E/ be a planar graph in which every cycle has length 8 or greater. a. Prove
Chapter 53, Problem 53.10(choose chapter or problem)
Let G D .V; E/ be a planar graph in which every cycle has length 8 or greater. a. Prove that jEj 4 3 jV j 8 3 . (You should assume the graph has at least one cycle.) b. Prove that .G/ 2. c. Prove that .G/ 3.
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