v=(1/pi*Ro) integral 20(1-R/Ro)^(1/7) 2*pi*R*dR(adsbygoogle = window.adsbygoogle || []).push({});

i know that i need to change my variable

started out y=Ro-R

dy=-dR

but havent found a substitution that would get rid of my R variable

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Math prob

**Physics Forums | Science Articles, Homework Help, Discussion**