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July 30, 2015

Homework Help: Math

Posted by Mark on Thursday, February 25, 2010 at 2:19pm.

Find the coordinates of the turning point and determine wether it is minimum or maximum.
y=xlnx-2x

The answer in the book says the co-ordinates are (e,-e), the closest I have come is (1/lnx,-1/lnx) which works if 1/lnx=e, but I dont think that it does. This question is in relation to derivatives.

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