題組內容
二、(50%) (所有題目請敘述計算過程,無計算過程不給分)
1. Let $A = \begin{bmatrix} 2 & 1 & -1 \\ 1 & 2 & 1 \\ -1 & 1 & 2 \end{bmatrix}$
(b) Find the eigenspaces of \( A \). (5%)
二、(50%) (所有題目請敘述計算過程,無計算過程不給分)
1. Let $A = \begin{bmatrix} 2 & 1 & -1 \\ 1 & 2 & 1 \\ -1 & 1 & 2 \end{bmatrix}$
(b) Find the eigenspaces of \( A \). (5%)