l'Hopital's rule, example

l'Hopital's rule is useful for finding limits of the form f/g, where the limit of f and g both go to zero, or infinity.
Todays video is an example of l'Hopital's rule.
The rule is stated, and an example is given.

Integration by Parts, Derivation, Example - Video

Integration by parts is a useful technique for solving integrals of a certain, common form. In this video, a derivation of the formula is given, in addition to an example.

.999 = 1

A classic theorem, which provides insight into rigor, and the nature of infinity, and countability