If the matrix \( A=\left[\begin{array}{ccc}5 & 1 & 2 \\ -7 & 0 & 6 ...
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If the matrix \( A=\left[\begin{array}{ccc}5 & 1 & 2 \\ -7 & 0 & 6 \\ -1 & 1 & -2\end{array}\right] \) and \( B=\left[\begin{array}{ccc}-1 & 0 & 3 \\ -2 & 1 & 1 \\ 1 & -1 & 0\end{array}\right] \) then the value of \( 2 A-4 B \) is equal to
(1) \( \left[\begin{array}{ccc}14 & 2 & -8 \\ -6 & -4 & 8 \\ -6 & 6 & -4\end{array}\right] \)
(2) \( \left[\begin{array}{ccc}14 & -2 & 8 \\ 6 & 4 & -8 \\ 6 & -6 & 4\end{array}\right] \)
(3) \( \left[\begin{array}{ccc}-14 & -2 & 8 \\ -6 & 4 & -8 \\ -6 & 6 & -4\end{array}\right] \)
(4) \( \left[\begin{array}{ccc}14 & 2 & 8 \\ 6 & 4 & 8 \\ 6 & 6 & 4\end{array}\right] \)
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