Friday
August 22, 2014

Homework Help: math

Posted by tina on Monday, March 14, 2011 at 7:41am.

(Px 20) (100 2 Px + Pyg)

Differentiating with respect to P we get

100 4Px + Pyg + 40 = 0

I dont understand how this is calc... whenever I multiply through and take the deriv I get another answer. Do you first multiply Px through then 20??

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