This document provides guidance on how to integrate certain rational expressions. It notes that two useful results should be recalled when approaching the first example problem. Another two useful results should be recalled when approaching the second example problem. The document appears to be discussing mathematical integration techniques for rational expressions but does not provide enough context or detail in the given text to fully understand the guidance.

1. Eton Education Centre www.etontuition.com 63853133 How to integrate certain rational expressions? By Wee WS wenshih.wordpress.com

2. Consider this example

3. Two useful results to recall

4. Approach to (i)

5. Another two useful results to recall

6. Approach to (ii)