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Series: Calculus: Integration by Substitution


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About this Series

  • Lessons: 2
  • Total Time: 0h 23m
  • Use: Watch Online & Download
  • Access Period: Unlimited
  • Created At: 06/23/2009
  • Last Updated At: 07/20/2010

In this two part series, you will learn to do integration by substitution, which is a fancy way of saying that we'll learn to solve integration problems by undoing the chain rule, which is a fundamental technique we should know from differentiation. Since integration (antidifferentiation) and differentiation are inverse operations, we see many of the same patterns in integrals that we do with derivatives. Professor Burger will show you how to recognize integral problems that you may be able to solve by untangling the chain rule.

Part two will teach you how to do integration of polynomials using substitution. Before digging in on substitution in antidifferentiation, Professor Burger will review notation associated with differentiation and antidifferentation (with respect to x). Next, he will move on to teach you integration by substitution, a technique that is helpful for finding the antiderivative of a composite function. While running through the chain rule backwards, he will highlight several rules and properties of antidifferentiation; for instance, the integral of a product is not necessarily equal to the product of the integrals. He also gives us advice on what expressions to select and replace with a constant when using substitution as a method of integration. To illustrate all of this, you will find the integral of 42x(x^2+4)^20 dx as well as the integral of this expression that contains radicals 2x^2*(5+x^3)^(1/2)dx.

This series is a great review for a CLEP test, mid-term, final exam, summer school, or personal growth!

Taught by Professor Edward Burger, this lesson was selected from a broader, comprehensive course, Calculus. This course and others are available from Thinkwell, Inc. The full course can be found at The full course covers limits, derivatives, implicit differentiation, integration or antidifferentiation, L'Hôpital's Rule, functions and their inverses, improper integrals, integral calculus, differential calculus, sequences, series, differential equations, parametric equations, polar coordinates, vector calculus and a variety of other AP Calculus, College Calculus and Calculus II topics.

About this Author

2174 lessons

Founded in 1997, Thinkwell has succeeded in creating "next-generation" textbooks that help students learn and teachers teach. Capitalizing on the power of new technology, Thinkwell products prepare students more effectively for their coursework than any printed textbook can. Thinkwell has assembled a group of talented industry professionals who have shaped the company into the leading provider of technology-based textbooks. For more information about Thinkwell, please visit or visit Thinkwell's Video Lesson Store at

Thinkwell lessons feature a star-studded cast of outstanding university professors: Edward Burger (Pre-Algebra through...

Lessons Included

Professor Burger, Calculus
~ Benjamin9

If you don't get it the first time, or the second or the third or the fourth - fear not. Professor Burger is always interesting and fun to listen to. And eventually you'll get it!

Below are the descriptions for each of the lessons included in the series:

Supplementary Files: