Multivariable Calculus: Find all local maxima/minima and saddle points for the function f(x,y) = x^3 + 3xy + y^3. We apply the Second Partials Test.
For more videos like this one, please visit the Multivariable Calculus playlist at my channel.
Tagged under: Mathematics,multivariable,calculus,variables,partial,derivative,test,critical,point,maximum,minimum,saddle,local,relative
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