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Find the inverse of the matrix A=\(\begin{bmatrix}8&5\\4&1\end{bmatrix}\).

Posted: Wed Jul 13, 2022 8:07 pm
by answerhappygod
a) \(\begin{bmatrix}-\frac{1}{12}&\frac{5}{12}\\\frac{1}{3}&-\frac{2}{3}\end{bmatrix}\)
b) \(\begin{bmatrix}\frac{1}{12}&\frac{5}{12}\\\frac{1}{3}&-\frac{2}{3}\end{bmatrix}\)
c) \(\begin{bmatrix}-\frac{1}{12}&\frac{5}{12}\\\frac{1}{3}&\frac{2}{3}\end{bmatrix}\)
d) \(\begin{bmatrix}-\frac{1}{12}&\frac{5}{12}\\-\frac{1}{3}&-\frac{2}{3}\end{bmatrix}\)