Archive for 31st October 2008

Pascal’s Triangle

Guest post by Jack Wadden ’11 from my Discrete Mathematics 251 class. For more on this topic google “paths in Pascal’s triangle,” e.g. Baez.

I was thinking today about Pascal’s triangle and how amazing it is that the binomial theorem actually works and why each number corresponds to a combination. It turns out that if you think of Pascal’s triangle as an upside down binary tree, this relationship is obvious. Continue reading ‘Pascal’s Triangle’ »