Let K2,2 be a complete bipartite graph with vertices 1 and 2 on one side and vertices 3 and 4 on the other side (each of 1 and 2 is joined to both 3 and 4).…
Let K2,2 be a complete bipartite graph with vertices 1 and 2 on one side and vertices 3 and 4 on the other side (each of 1 and 2 is joined to both 3 and 4). Which of the following is the total number of paths of length 3 from vertex 1 to vertex 4?
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Correct answer: (C) 4