Putnam Exam | 2012: B4

We present a solution to problem B4 from the 2012 William Lowell Putnam Mathematics Competition. Please Subscribe: https://www.youtube.com/michaelpennma... Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathem... Research Gate profile: https://www.researchgate.net/profile/... Google Scholar profile: https://scholar.google.com/citations?...