Series (both geometric and telescoping); nth term test; harmonic sum (Calc 2; Lecture 25; Spring 25)

* More practice with geometric series
* Telescoping series (where the terms cancel leading to collapse)
* N-th term test (if terms don't go to 0, then sum diverges)
* Harmonic series

For more information: https://www.calc2.org/
Presenter: Steve Butler (https://www.stevebutler.org/)