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December 26th, 2016, 10:26 PM   #1
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Lightbulb I need help founding Extrema of a Function

Hey Guys I hope All is fine ? Please I need Helping getting the points critiques And if it's minimum or maximum

Function : f(x;y) = xlny-ylnx
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December 26th, 2016, 11:12 PM   #2
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I need help with this please! (maxima points, 2 variables)
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