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**manalive04** · July 26th 2009, 04:17 AM

find all critical points in the function f(x,y) = e^( $x^2-y^2$ ) (x-2y) and classify them as local maxima, local minima or saddle points

Please help

**mr fantastic** · July 26th 2009, 06:42 AM

Originally Posted by manalive04

find all critical points in the function f(x,y) = e^( $x^2-y^2$ ) (x-2y) and classify them as local maxima, local minima or saddle points

Please help

Start by calculating $\frac{\partial f}{\partial x}$ and $\frac{\partial f}{\partial y}$ . Can you do this?

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