Prove that the number of edges of a complete graph of b vertices is C(n,2)

Question 2 Use Modular Arithmetic to evaluate 25x550514 (mod 6). Show your steps. Use the editor to format your onswer The two graphs below are isomorphic. 04 de ar 03 ws 103 ds G G (a) Exhibit an isomorphistu by mapping the vertices of the first graph with the vertices of the second graph with fa) Jina) Flas) Fla)