Is the set of vectors
\[ \begin{bmatrix} 2 \\ 1 \\ -5 \\ -4 \end{bmatrix} \quad \begin{bmatrix} 0 \\ -5 \\ 4 \\ 0 \end{bmatrix} \quad \begin{bmatrix} 3 \\ -4 \\ 0 \\ -8 \end{bmatrix} \quad \]linearly independent?
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