9-5c.4 Absolute and Conditional Convergence
The difference between absolute convergence (where both the absolute value series and the alternating series converge) and conditional convergence (where the absolute value series does not converge but the alternating series does) is an important facet of alternating series. You will see it on the AP exam.
Next click the menu item under Section called Video: Absolute/Conditional Convergence to watch a video about Absolute and Conditional Convergence.