Math Problem Statement

Dada la matriz de orden 3x3 A=[1,2,-1,2,3,k,1,-1,2] a) hallar k tal que |1/3. (A^3)^t|=-1 b)para ese valor de k, hallar A^-1y verificar que |A^-1|=1/|A|

Solution

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Math Problem Analysis

Mathematical Concepts

Matrices
Determinants
Matrix Inverse

Formulas

Matrix multiplication
Determinant formula
Matrix inverse formula

Theorems

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Suitable Grade Level

Advanced College