Question

If \(A=\begin{bmatrix} -2&6\\-5&-1\end{bmatrix}\) then \(A^{-1}\) is:

• A. \(\frac{1}{28}\begin{bmatrix} 2&-5\\6&-1\end{bmatrix}\)
• B. \(\frac{1}{32}\begin{bmatrix} -1&6\\-5&-2\end{bmatrix}\)
• C. \(\frac{1}{32}\begin{bmatrix} -1&-6\\5&-2\end{bmatrix}\)
• D. \(\frac{-1}{28}\begin{bmatrix} -1&-6\\-5&-2\end{bmatrix}\)

Answer 1

The Correct Option is C

The correct option is (C):\(\frac{1}{32}\begin{bmatrix} -1&-6\\5&-2\end{bmatrix}\)