This video explains how use the Integration by Parts technique.
I go through a quick cram-example at the start and then delve further into the conceptual understanding and some deeper and more complex style questions.
I have no idea what went wrong with the audio but for the sake of keeping your sanity please just pretend I'm cosplaying as a robot for this one :)
Timestamps:
0:00 - Intro
0:40 - Example Question
4:15 - Conceptual Explanation + Different Formulas
5:40 - Brain Fart
5:55 - Relation to Product Rule
7:33 - Q1: CLASSIC Exam Question
10:11 - Q2: Integrating by Parts Twice