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(Solved): (1 point) Let \( A=\left[\begin{array}{cc}-10 & -12 \\ 8 & 10\end{array}\right] \). Find an inverti ...
![(1 point) Let \( A=\left[\begin{array}{cc}-10 & -12 \\ 8 & 10\end{array}\right] \).
Find an invertible \( 2 \times 2 \) matri](https://media.cheggcdn.com/study/f4f/f4fc7e5c-87aa-49e0-a48c-745a82a33598/image)
(1 point) Let \( A=\left[\begin{array}{cc}-10 & -12 \\ 8 & 10\end{array}\right] \). Find an invertible \( 2 \times 2 \) matrix \( P \) and a \( 2 \times 2 \) diagonal matrix \( D \) such that \( P^{-1} A^{8} P=D \).