Math Problem Statement
已知$A^2+A-2E=0$,证明A+2024E可逆
Solution
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Math Problem Analysis
Mathematical Concepts
Matrix Algebra
Linear Algebra
Eigenvalues and Eigenvectors
Formulas
A^2 + A - 2E = 0
λ^2 + λ - 2 = 0 (Eigenvalue equation)
Theorems
Invertibility Theorem: A matrix is invertible if and only if all of its eigenvalues are non-zero.
Eigenvalue and Eigenvector Theorem: The eigenvalues of A + cE are λ + c, where λ are the eigenvalues of A and c is a scalar.
Suitable Grade Level
Undergraduate (Linear Algebra)
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