Homework Help: Triple integral in cylindrical coordinates

1. Jul 17, 2016

norbellys

1. The problem statement, all variables and given/known data
I am trying to solve a triple integral using cylindrical coordinates. This is what I have to far . But I think I have choosen the limits wrong.

2. Relevant equations

3. The attempt at a solution

2. Jul 17, 2016

LCKurtz

Assuming your first line is correct, your change to cylindrical coordinates is almost correct. The only change I see you need is to remember that the element of volume in cylindrical coordinates is $r~dz~ dr~ d\theta$. You forgot the $r$.

3. Jul 18, 2016

norbellys

yes that was what I was missing !