(adsbygoogle = window.adsbygoogle || []).push({}); The loop 9y^2=x(3-x)^2 is revolved about the y-axis. Find the area of the surface generated this way.

I just need help with integration:

[tex]4\pi\int x\sqrt{\frac{x^{2}+2x+1}{4x}}[/tex]

I know I can pull out the 4 but after that I'm lost. Any suggestions?

**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!

# Homework Help: Integration help

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