# Math Help - Improper Integral help

1. ## Improper Integral help

I need help finding arc length of (x)^(2/3) + (y)^(2/3) = 1

Can Anyone help?

2. ## Re: Improper Integral help

Originally Posted by Manbearpig
I need help finding arc length of (x)^(2/3) + (y)^(2/3) = 1

Can Anyone help?
The arclength between which two points?

3. ## Re: Improper Integral help

Originally Posted by Manbearpig
I need help finding arc length of (x)^(2/3) + (y)^(2/3) = 1

Can Anyone help?
All you have is a curve between (0,1) to (1,0) as follows:

see what you can do!

4. ## Re: Improper Integral help

You will also need to make use of

\displaystyle \begin{align*} \int_a^b{ \sqrt{ 1 + \left(\frac{dy}{dx}\right)^2}\,dx } \end{align*}

which means you will need to evaluate the derivative and put it entirely in terms of x.