Let's begin by reviewing the first Warm-Up question. If you're wondering, it took an entire five minutes for ad revenue purposes. Duration: 5:04

In our first set of lessons, I revealed to you various algebraic manipulations to fix our two indeterminate forms, mathematical secrets known only to a handful of students. However, I held a few of secrets back, which I will now disclose to you, as you are finally worthy. Duration: 13:08

Here is the formal statement of "L'Hospital's" Rule delivered within a suitably controversial and historical context. We credit Guillaume de l'Hospital with writing the first calculus textbook. As it lacked a discussion of integration, I don't believe the book would meet CollegeBoard's exacting standards. Duration: 11:02