Multivariate Calculus: multivariate calculus – #22699


Question: Suppose \(f\left( x,y \right)={{x}^{3}}+A{{y}^{3}}-Bxy+3x+y\) Is it possible to find values for both A and B such that the function f has a saddle point at (2,3)? Either explain why it is not possible or find values for A and B that work.





Multivariate Calculus: multivariate calculus – #22699

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