Integration by Parts (a more complex example)

In this video, I do an example where you have to use integration by parts twice. The example used is the integral of (x^2)cos(3x). It's important to stay organized when you do problems like these. Make sure you can follow your own. Link to Integration by Parts Basics video:    • Basics of Integration by Parts   Link to U- Substitution videos: Basics:    • Basics of U-Substitution   More Complicated Examples:    • U Substitution Part 2 (more complex examples)   Hope this helps. Subscribe, if you haven't already!