Discrete Math II/Combinatorics (Entire course) - Discrete Math II - 6.3.3 More Combinations and Combinatorial Proof

Just a few practice questions involving permutations and combinations, along with a brief introduction of combinatorial proof. Don't worry! You will see this again and again! Video Chapters: Intro 0:00 The First Two Practice 0:15 Another Practice and an Identity 5:03 Combinatorial Proof 7:18 One Last (3-part) Practice 8:35 Up Next 11:39 This playlist uses Discrete Mathematics and Its Applications, Rosen 8e Power Point slide decks to accompany the videos can be found here: https://bellevueuniversity-my.sharepoint.com/:f:/g/personal/kbrehm_bellevue_edu/Ei9DcmrOBTlAuMxWUoq9ZqsB14M60jcpob-xdAYS6ruVWw?e=uP9KN0 The entire playlist can be found here: https://www.youtube.com/playlist?list=PLl-gb0E4MII0sGLCJeqDB3y63HZ6lM5LJ