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\text { Is }\left\{\left[\begin{array}{cc} -5 & 8 \\ 13 & 4 \end{array}\right],\left[\begin{array}{cc} 2 & 13 \\ 11 & 8 \end{array}\right],\left[\begin{array}{cc} 9 & 63 \\ 21 & 13 \end{array}\right],\left[\begin{array}{cc} -10 &

1 \\ 5 & 10 \end{array}\right]\right\} \text { linearly independent? Explain. }

Fig: 1