# How do you do the trapezoidal rule to compute #int logxdx# from [1,2]?

##### 1 Answer

Jun 19, 2015

#### Explanation:

Using the trapezoidal rule, the expression

It's important to notice that it's only an approximate value (n=1) and it contain a percentage of **error** : the correct value would be around 0.38629, but with this formula we found approximately 0.34657.