Math Problem Statement

P = [[1, 2, 2], [- 3, - 1, 1], [13, - 4, - 2]] Inverse

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Algebra
Matrix Inversion

Formulas

Inverse of a matrix: P^{-1} = adj(P) / det(P)
Determinant formula for a 3x3 matrix
Adjugate matrix for finding the inverse

Theorems

A matrix has an inverse if and only if its determinant is non-zero
Cramer's rule (used in solving systems of equations via matrix inversion)

Suitable Grade Level

Undergraduate level or advanced high school (Grades 11-12)