Math Problem Statement

maximos y minimos de f(x,y)= xy

Solution

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Math Problem Analysis

Mathematical Concepts

Multivariable Calculus
Partial Derivatives
Critical Points
Hessian Matrix

Formulas

f_x(x, y) = \frac{\partial}{\partial x} (xy) = y
f_y(x, y) = \frac{\partial}{\partial y} (xy) = x
Hessian Matrix: H = \begin{pmatrix} 0 & 1 \\ 1 & 0 \end{pmatrix}
Determinant of Hessian: Det(H) = -1

Theorems

Classification of Critical Points
Saddle Point Theorem

Suitable Grade Level

Undergraduate (Calculus II or Multivariable Calculus)