Hi there. You must think about logaritms.

This is the way you can solve it:

Now the derivatives:

Results 1 to 2 of 2

- May 26th 2010, 04:00 AM #1

- Joined
- Apr 2010
- Posts
- 135

- May 26th 2010, 04:15 AM #2

- Joined
- May 2010
- Posts
- 243