Find a basis for the span of the vectors
\[ \begin{bmatrix} 0 \\ -3 \\ -1 \end{bmatrix} \qquad \begin{bmatrix} 1 \\ 2 \\ 4 \end{bmatrix} \qquad \begin{bmatrix} 2 \\ 1 \\ 1 \end{bmatrix} \qquad \begin{bmatrix} 5 \\ -11 \\ 1 \end{bmatrix} \qquad .\]Click for answer
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