2 (a) Let G be a simple graph with n vertices and m edges where m ≥ (^₂¹) +2. (i) Let u and w be any two non-adjacent vertices. Explain why the graph G\{v, w} has at most (22) edges (where (3) : is the binomial coefficient). a! := (a-b)!!b! (ii) Is G is necessarily Hamiltonian? Justify your answer.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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(a) Let G be a simple graph with n vertices and m edges where m ≥ (^≥¹) + 2.
(i) Let v and w be any two non-adjacent vertices. Explain why the graph
G\{v, w} has at most (2²) edges (where (3)
is the binomial
coefficient).
a!
(a-b)!!b!
(ii) Is G is necessarily Hamiltonian? Justify your answer.
=
Transcribed Image Text:(a) Let G be a simple graph with n vertices and m edges where m ≥ (^≥¹) + 2. (i) Let v and w be any two non-adjacent vertices. Explain why the graph G\{v, w} has at most (2²) edges (where (3) is the binomial coefficient). a! (a-b)!!b! (ii) Is G is necessarily Hamiltonian? Justify your answer. =
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