After his sister Jensene finished the coloring book , Chris bought another drawing book for her. The first page of the book contains a diagram
There are 9 vertices from to . How many ways are there to trace the figure without lifting the pen such that it passes through all the vertices and each edge is drawn at most once?
Clarification : Chris does not have to draw pass every edge.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
No explanations have been posted yet. Check back later!