Math Problem Statement
Use technology to find the inverse of the given matrix (when it exists). Round all entries in your answer to two decimal places. (Caution: Because of rounding errors, technology sometimes produces an "inverse" of a singular matrix. These often can be recognized by their huge entries. If the inverse doesn't exist, enter DNE in any cell of the matrix.)
3.2
−3.6
2.3
−0.9
3.7
1.9
2.4
1.6
5.8
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Matrix Inversion
Determinants
Singular Matrices
Formulas
Inverse of a 3x3 matrix formula: A⁻¹ = (1/det(A)) * adj(A)
Determinant formula for 3x3 matrix
Theorems
A matrix is invertible if and only if its determinant is non-zero
Suitable Grade Level
Undergraduate Level