1.

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

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. \(\begin{bmatrix}35 & 34 & 32\\56 & 67 & 48\\98 & 74 & 52\\\end{bmatrix}\)
Answer» C. \(\begin{bmatrix}1 & 0 & 0\\0 & 1 & 0\\0 & 0 & 1\\\end{bmatrix}\)


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