題組內容

3. Given a matrix \( A = \begin{bmatrix} 1 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 1 & 0 \end{bmatrix} \) and evaluate the following:

(b) Find the eigenvalues and eigenvectors of \( A^{-1} \). (5%)