Mathematics · Graph Theory
If a graph G has n vertices, e edges, and k components, its nullity (or cyclomatic number) is given by the formula. What is the nullity of G when k = 2?
- 1e - n + 1
- 2n - e + 2
- 3e - n + 2✓
- 4e + n + 2
Correct answer
e - n + 2
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