# How do you find the arc length of the curve #y = 4x^(3/2) - 1# from [4,9]?

##### 2 Answers

Jun 22, 2015

Arc length would be

=

=

=

=

This can be simplified, if required, to get an approximation, using calculator.

Jun 23, 2015

76.1664

#### Explanation:

An error has crept into the solution. The correction is as follows:

Arc length=

=

This can be simplified, if required as

= 76.1664