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Techniques of Integration: Integration by Substitution and Integration by Parts, Lecture notes of Statistics

Differential EquationsReal AnalysisVector calculus

This chapter covers two techniques for finding indefinite integrals: integration by substitution and integration by parts. The former is used when the integral can be transformed into the derivative of a known function, while the latter is used when the integral can be expressed as the product of two functions. Examples and solutions for each technique.

What you will learn

  • How do you find the indefinite integral of a function using Integration by Substitution?
  • Can you provide an example of how to use Integration by Parts to find the indefinite integral of a function?
  • What is the formula for Integration by Parts and how is it used?

Typology: Lecture notes

2021/2022

Uploaded on 01/28/2022

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Download Techniques of Integration: Integration by Substitution and Integration by Parts and more Lecture notes Statistics in PDF only on Docsity! Chapter 6 - Techniques of Integration 6.1 Integration by Substitution We know that the derivative of a function is obtained by the Chain rule: , that is let , then . Therefore, if we have a function of the form , then the indefinite integral (anti-derivative) is , that is . Example 6.1.1 Find . Solution 6.1.1 Put . Therefore, this implies that . Example 6.1.2 (i) Evaluate (i) and (ii) . Solution 6.1.2 (i) Put . Therefore, this implies that = . (ii) Example 6.1.3
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