Question: Let G = (V, E) be a loop-free connected undirected graph with v V. (b) If v is an articulation point of G, prove

Let G = (V, E) be a loop-free connected undirected graph with v ˆˆ V.
G- v = G - v.

(b) If v is an articulation point of G, prove that v cannot be an articulation point of .

G- v = G - v.

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