y= ln x / x

Find dy/dx

Hence show (integral sign with e^2 at top and e at bottom) 1-ln x / x ln x = ln 2 - 1

Results 1 to 6 of 6

- Jul 25th 2010, 07:19 AM #1

- Joined
- Jul 2010
- Posts
- 3

- Jul 25th 2010, 07:29 AM #2

- Jul 25th 2010, 07:33 AM #3

- Joined
- Jul 2010
- Posts
- 3

I got the first part, i just dont understand how the first part, ties in with the second part, because ive got to somehow get it in the form on f '(x)/ f(x) before i can integrate it

- Jul 25th 2010, 07:42 AM #4

- Jul 25th 2010, 10:24 AM #5

- Joined
- Apr 2005
- Posts
- 18,576
- Thanks
- 2590

- Jul 25th 2010, 01:43 PM #6