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Mathematics Homework Solutions
#28681
Graphs : Connectedness, Vertices and Edges
11. Let G be a graph with n>= 2 vertices.
a) Prove that if G has at least (n-1) + 1 edges the G is connected.
( 2 )
b) Show that the result in (a) is best possible; that is, for each n>= 2, prove there is a graph with (n- 1)
( 2 )
edges that is not connected.
Connectedness, Vertices and Edges are investigated. The solution is detiled and well presented.
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