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

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- Jul 26th 2009, 04:17 AMmanalive04help
find all critical points in the function f(x,y) = e^($\displaystyle x^2-y^2$) (x-2y) and classify them as local maxima, local minima or saddle points

Please help - Jul 26th 2009, 06:42 AMmr fantastic