題組內容
6. Give the following matrix A.
$$\mathbf{A} = \begin{bmatrix} 1 & 2 & 0 & 3 \\ 0 & 0 & 1 & 4 \\ 1 & 2 & 1 & 7 \end{bmatrix}$$
(3) Give a basis for the nullspace of A. (5%)
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6. Give the following matrix A.
$$\mathbf{A} = \begin{bmatrix} 1 & 2 & 0 & 3 \\ 0 & 0 & 1 & 4 \\ 1 & 2 & 1 & 7 \end{bmatrix}$$
(3) Give a basis for the nullspace of A. (5%)