Math Problem Statement

Làm và giải thích bằng tiếng việt

Solution

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Math Problem Analysis

Mathematical Concepts

Multivariable Calculus
Optimization
Probability
Linear Combinations
Variance and Covariance

Formulas

Partial derivatives ∂f/∂x and ∂f/∂y for finding critical points
Variance formula for linear combinations: Var(aX + bY) = a^2Var(X) + b^2Var(Y) + 2abCov(X, Y)

Theorems

Optimization using partial derivatives
Variance-Covariance matrix properties

Suitable Grade Level

Undergraduate Level