## 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’ »