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

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

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

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

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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

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

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

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