Hi im wondering how one can obtain the formula out of the fact that .

I started via but don't know how to proceed. Any suggestions?

Results 1 to 3 of 3

- Apr 10th 2012, 10:15 AM #1

- Joined
- Nov 2009
- Posts
- 169

- Apr 10th 2012, 11:47 AM #2

- Joined
- Oct 2009
- Posts
- 5,575
- Thanks
- 790

- Apr 10th 2012, 12:31 PM #3

- Joined
- Nov 2009
- Posts
- 169