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September 27th, 2018, 07:29 PM  #1 
Newbie Joined: Sep 2018 From: United States Posts: 2 Thanks: 0  Let G be a simple graph with c connected components
I need help solving the following problem: Let G be a simple graph with c connected components, which have a1, . . . , ak vertices, respectively. Determine the number of ways to add c − 1 edges to G to form a connected graph, in terms of the numbers ai . 

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components, connected, geometry, graph, simple 
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