MAT 1221 Survey of Calculus Section 7.1 Integration by Parts
Expectations Show all the steps Simplify the answer. 7 minutes
Preview The reverse of the product rule
Derivatives and Antiderivatives
Product Rule
Definition of Antiderivatives
By Definition of Antiderivatives
Rationale The formula is useful if the integral on the right hand side is easier to evaluate than the one on the left hand side Easier Difficult
Alternative Form
Integration By Parts
Example 1
Remarks
2. If we make a different choice such as
Example 2
Example 3
Additional Formula To make calculations a bit easier, we are going to adopt the following new formula
Example 4
Remarks Do not use IBP for all integrals. Sometimes, Substitution is easier.
Example 5
Next Class Session Learn how to use a CAS (Computer Algebra System) - Maple