Question: What is the number of edges present in a complete graph having n vertices? A. (n*(n+1))/2 B. (n*(n-1))/2 C. n D. Information given is insufficient

What is the number of edges present in a complete graph having n vertices?

A. (n*(n+1))/2

B. (n*(n-1))/2

C. n

D. Information given is insufficient

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