# How do you use the trapezoidal rule with n=2 to approximate the area under the curve #y=1/x^2# from 1 to 3?

##### 1 Answer

Jul 15, 2015

#### Answer:

Draw 2 trapezoids under the curve, the first between

#### Explanation:

With

The first will have a width of

and an average height of

The second will also have a width of

and will have an average height of

The total area of the two trapezoids (approximating the area under the curve) is