題組內容
4. Give the matrix A = $$\begin{bmatrix} -6 & -6 & 6 \\ 3 & -3 & -3 \\ 2 & 6 & 2 \end{bmatrix}$$.
(c) \( (5\%) \) Give a basis for the column space of A.
4. Give the matrix A = $$\begin{bmatrix} -6 & -6 & 6 \\ 3 & -3 & -3 \\ 2 & 6 & 2 \end{bmatrix}$$.
(c) \( (5\%) \) Give a basis for the column space of A.