Math Problem Statement

resuelve los siguientes ejercicios segun el enunciado con todo el procedimiento en español

Solution

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Math Problem Analysis

Mathematical Concepts

Matrix operations
Matrix inversion
Cramer's rule
System of linear equations

Formulas

Matrix scalar multiplication: kA = k * [a_ij]
Matrix addition: A + B = [a_ij + b_ij]
Matrix product: AB = [sum of row-column products]
Matrix inverse: A^{-1} = 1/det(A) * adj(A)
Cramer's rule: x_i = det(A_i) / det(A)

Theorems

Determinant of a 2x2 matrix: det(A) = ad - bc
Cramer's rule for solving systems of equations
Matrix product theorem

Suitable Grade Level

University level (Linear Algebra)