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Discrete Mathematics 4 (10 points) Suppose graph G is a planar graph but G is not connected. Let v, e. f, and k be the

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Discrete Mathematics

4 (10 points) Suppose graph G is a planar graph but G is not connected. Let v, e. f, and k be the number of vertices, number of edges, number of faces and number of connected components of G, Prove that the following generalized Euler formula is true v-e+f = k +1

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