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Find the adjacent A as A=\(\begin{bmatrix} 1 & 7 & -3\\ 5 & 4 & -2\\ 6 & 8 & -6\\ \end{bmatrix}\).

Posted: Thu Jul 14, 2022 11:06 am
by answerhappygod
a) \(\begin{bmatrix}
1 & 1 & 1\\
1 & 2 & 3\\
2 & 3 & 4\\
\end{bmatrix}\)
b) \(\begin{bmatrix}
31 & 39 & 80\\
39 & 45 & 74\\
80 & 74 & 136\\
\end{bmatrix}\)
c) \(\begin{bmatrix}
1 & 0 & 0\\
0 & 1 & 0\\
0 & 0 & 1\\
\end{bmatrix}\)
d) \(\begin{bmatrix}
35 & 34 & 32\\
56 & 67 & 48\\
98 & 74 & 52\\
\end{bmatrix}\)