Question

Find the null space for A =\left[\begin{array}{ccc} 4 & 6 & -8 \\ -2 & -1 & 0 \\ -6 & -7 & 8 \end{array}\right] What is null(A)? \text {

O A. span }\left\{\left[\begin{array}{c} 4 \\ 6 \\ -8 \end{array}\right]\right\} \text { O. B. span }\left\{\left[\begin{array}{l} 0 \\ 0 \\ 0 \end{array}\right]\right. \text { \} } \text { O C span }\left\{\left[\begin{array}{c} 4 \\ 6 \\ -8 \end{array}\right],\left[\begin{array}{c} -2 \\ -1 \\ 0 \end{array}\right]\right\} \text { O. D span }\left\{\left[\begin{array}{c} 4 \\ -2 \\ -6 \end{array}\right]\right\} \text { O } \mathrm{D} \text { span }\left\{\left[\begin{array}{c} 4 \\ -2 \\ -6 \end{array}\right]\right\} \text { O E. } \mathbb{R}^{3} \text { OF. span }\left\{\left[\begin{array}{c} -1 \\ 2 \\ 1 \end{array}\right]\right\} OG. none of the above

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