Here are two new definitions about graphs. The distance between two vertices in a graph is the number of edges in a shortest path connectin them. The diameter of a graph is the greatest distance between any pair of vertices in the graph. 1. What is the diameter of the cycle C13? What is the diameter of the cycle C14? 7 2. What is the diameter of the path P? 5 3. What is the diameter of the compelte graph K? 1 4. What is the diameter of the complete bipartite graph K43? 2

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