Page 1 of 1

Find the inverse of the matrix \(A = \begin{bmatrix} 8 & 5 & 2\\ 4 & 6 & 3\\ 7 & 4 & 2\\ \end{bmatrix}\).

Posted: Thu Jul 14, 2022 11:06 am
by answerhappygod
a) \(\frac{1}{13}*\begin{bmatrix}
90 & 65 & 80\\
65 & 61 & 54\\
80 & 58 & 69\\
\end{bmatrix}\)
b) \(\frac{1}{14}*\begin{bmatrix}
93 & 68 & 80\\
68 & 61 & 58\\
80 & 58 & 69\\
\end{bmatrix}\)
c) \(\frac{1}{13}*\begin{bmatrix}
94 & 67 & 80\\
67 & 60 & 56\\
80 & 58 & 69\\
\end{bmatrix}\)
d) \(\frac{1}{13}*\begin{bmatrix}
93 & 68 & 80\\
68 & 61 & 58\\
80 & 58 & 69\\
\end{bmatrix}\)