Integration Tricks (That Teachers Won’t Tell You) for Integral Calculus
Integration Tricks (That Teachers Won’t Tell You) for Integral Calculus

1
TECHNIQUES OF INTEGRATION
In this chapter we develop techniques for using these basic integration formulas to obtain indefinite integrals of more complicated functions.

2
Find Find INTEGRATION BY PARTS formula for integration by parts.
Example Example Find Find

3
Find INTEGRATION BY PARTS formula for integration by parts.
REMARK1: aim in using integration by parts is to obtain a simpler integral than the one we started with. REMARK2: How to choose u and dv to obtain simpler integral Example Find

4
INTEGRATION BY PARTS Example REMARK2: in some integral, we may need to apply integration by parts many times. Find

5
INTEGRATION BY PARTS Example REMARK2: in some integral, we may need to apply integration by parts many times. Find Example Find Example Find

6
INTEGRATION BY PARTS formula for integration by parts. Example Find REMARK3: sometimes a repeated application of integration by parts leads back to an integral similar to our original one. If so, this expression can be combined with original integral.

7
INTEGRATION BY PARTS Exam2 Term082 Exam2 Term102

8
Exam2 Term092

10
INTEGRATION BY PARTS Observe: Reduction Formula REMARK3: sometimes The reduction formula is useful because by using it repeatedly we could eventually express our integral.

11
INTEGRATION BY PARTS Reduction Formula Example Example

12
Reduction Formula Reduction Formula INTEGRATION BY PARTS Example

13
Reduction Formula

14
Most of the time ln(x) is easier by parts Repeated Applications
INTEGRATION BY PARTS Most of the time ln(x) is easier by parts Reduction Formula Integration by Parts Repeated Applications Term 0 (diff) tabular integration Back to original

Similar presentations