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
Answer:B
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