- 25

- 0

**1. Homework Statement**

Volume of Torus: using Shell's mehod

[tex] 4\pi \int^{1}_{-1}((R-x) \sqrt{r^2 - x^2})dx [/tex]

**2. Homework Equations**

**3. The Attempt at a Solution**

I don't know how to integrate this at all. I cannot use any conventional methods...or I can't think of a way... i.e. use isolate a function as

*u*and try to integrate wrt

*du*

Is the only way to distribute the equation first?

Last edited: