# 9. Integration Using Tables of Integrals

by M. Bourne

A lot of the integrals in this section can easily be done
using a **Table of Integrals.** (Of course, use a
computer to do integrals whenever you can!)

Points to note:

- It's very important to understand the substitutions `u` and `du` (which is the case for most integrations)
- Make sure you use the correct formula!! Some are very similar to others.
- Even if you are supplied with a table of integrals in examinations,
**learn**as many as you can, and especially learn the conditions that apply. Too many students try to find the right one in the table, but have no idea what they are doing!

See: Table of Common Integrals

### Example using Table of Integrals:

Find the following integral, using table of integrals:

`inte^(2x)\ sin\ 3x\ dx`

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