# Math Help - Triple integral...

1. ## Triple integral...

A volcano fills the volume between the graphs and , and outside the cylinder . How to find the volume of this volcano?

2. Originally Posted by iwonder
A volcano fills the volume between the graphs and , and outside the cylinder . How to find the volume of this volcano?
I'd switch to polar coordinates. Then

$V = \int_{\theta = 0}^{2 \pi} \int_{r=1}^{+\infty} \frac{1}{r^{2{\color{red}1}}} \, dr \, d\theta$.