1. ## helpmee

thanks much

2. Originally Posted by rakan00

thanx

Deﬁnition: A simple graph G is called self-complementary if G and G are isomorphic.
a) Show that the following graph is self-complementary.

This one is easy simply fill in what is missing and it is quite trivial to see they are isomorphic.
b) Find a self-complementary simple graph on ﬁve vertices.
Look below. (This looks right).

3. so for a) its missing adjacent between c and d....can you please exaplain the steps to solve question like thatfor b and c i am not surethanx