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- Nov 19th 2010, 06:39 AMsoftballchickHelp on log derivation

**Moderator edit:**Restored deleted question. Thread closed. - Nov 19th 2010, 06:47 AMharish21
what have you tried?

Hint: write

so have

use the product rule! - Nov 19th 2010, 06:48 AMTheCoffeeMachine
- Nov 19th 2010, 11:37 AMHallsofIvy
If

then

So that the derivative on the right.

To find differentiate on the right and multiply by . - Nov 19th 2010, 01:55 PMsoftballchick
thanks I got it!

- Nov 19th 2010, 02:04 PMTheCoffeeMachine