### 4 videos in "Integration"

## Integration by Parts

Integration by Parts

4813 views, 3 ratings - 00:20:58

Copyright 2005, Department of Mathematics, University of Houston. Created by Selwyn Hollis. Find more information on videos, resources, and lessons at http://online.math.uh.edu/HoustonACT/videocalculus/index.html.

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Integration by parts. Derivation of reduction formulas.

- What is integration by parts?
- How do you do integration by parts?
- What is the integral of u dv?
- Why does the integral of u dv = uv - integral of v du?
- What is the integral of x cos x?
- How do you find an integral without ever taking an integral?
- How do you use integration by parts of a definite integral?
- What are reduction formulas?
- What is the integral of x^n cos(kx)?
- What is the integral of (cos x)^n?

This video does a very thorough job of explaining integration by parts. It explains where the formula comes from and shows many example problems using this formula, including how to pick u and dv so it works. There are also reduction formulas that use integration by parts to make certain problems with high powers of x much easier and faster. An incredibly useful technique vital to integration in Calculus.