Let \( A=\left[\begin{array}{rrr}-1 & 1 & -1 \\ 3 & -3 & 3 \\ 5 & 5...

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Let \( A=\left[\begin{array}{rrr}-1 & 1 & -1 \\ 3 & -3 & 3 \\ 5 & 5 & 5\end{array}\right] \) and \( B=\left[\begin{array}{rrr}0 & 4 & 3 \\ 1 & -3 & -3 \\ -1 & 4 & 4\end{array}\right] \), compute \( A^{2}-B^{2} \)
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