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)
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