Question

Let the universe U be the set of graphs with at least 4 nodes. Set F contains the elements of U which
are tree graphs, Set G contains the elements which are simple graphs, and the elements of set H are
graphs with 6 nodes.
Draw a graph in each possible place in the given Venn-diagram.

Decide if the statement is true or false. Explain.
I. A graph is given with degrees 1, 2, 2, 3, 3, 4, 5. There is an Eulerian trail in this graph.

Answer 1

Answer:

I don't know what the answer is