Beautiful Fibonacci problem from Putnam 2021 Math Competition! (B1, B2, B4)

#mathematics​ #olympiad​ #math​ Putnam competition 2021 is here! The Putnam Competition, the preeminent mathematics competition for undergraduate college students in the United States and Canada, takes place annually on the first Saturday of December. The competition consists of two 3-hour sessions, one in the morning and one in the afternoon. During each session, participants work individually on 6 challenging mathematical problems. Solutions and discussion of problems B1, B2, B4 82nd William Lowell Putnam Mathematical Competition 00:00​ Introduction 00:13​ Problem B1 - Probability 05:56​ Problem B2 - Algebra, inequality 12:20​ Problem B4 - Number theory ft. Fibonacci sequence I absolutely love problem B4!