Question: Discrete Math problem: Definition: Let G be a simple graph. The complement G of G is the simple graph whose vertex set is V and

Discrete Math problem:

Definition: Let G be a simple graph. The complement G of G is the simple graph whose vertex set is V and whose edges are the pairs of nonadjacent vertices of G. Suppose that a graph G on 4k+1 vertices is isomorphic to G, prove that graph G has a vertex of degree 2k

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