If a simple H graph has ‘n’ vertices and ‘e’ edges than find the number of edges in complement of graph H?

1
\(\frac{{{n}^{2}}-n-2e}{2}\)
2
\(~\frac{{{n}^{2}}-n-e}{2}\)
3
\(\frac{{{n}^{2}}+~n-2e}{2}\)
4
\(\frac{{{n}^{2}}+~n-e}{2}\)

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