### Overview

In this session we see some examples of quadratic approximation, then finish compiling a “library” of quadratic approximations of key functions.

### Lecture Video and Notes

#### Video Excerpts

Clip 1: List of Approximations

Clip 3: Example: Approximation of a Complicated Function

### Recitation Video

#### Quadratic Approximation of a Product

### Lecture Video and Notes

#### Video Excerpts

Clip 1: Approximating ln(1+x) and (1+x)r

### Worked Example

Finding a Formula for the Best Degree n Approximation