# First and Second order Derivatives and Total Revenue

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• Oct 5th 2010, 09:19 AM
darkrifle
First and Second order Derivatives and Total Revenue
Cracking my brain on how to do this. Is there any 1 out there who can solve this monster?!
• Oct 5th 2010, 09:25 AM
SpringFan25
here is an example to get you started

$\displaystyle \frac{\partial TR}{\partial x_3} = 2\frac{x_1x_3}{x_2} + \frac{x_2}{x_2x_3} = 2\frac{x_1x_3}{x_2} + \frac{1}{x_3}$

You finish, post if you get stuck