Question:
Given that \(A^{-1}=\frac{1}{7}\begin{bmatrix}2&1\\ -3&2\end{bmatrix}\) matrix A is
- A. \(7[\begin{matrix}2&-1\\ 3&2\end{matrix}]\)
- B. \([\begin{matrix}2&-1\\ 3&2\end{matrix}]\)
- C. \(\frac{1}{7}[\begin{matrix}2&-1\\ 3&2\end{matrix}]\)
- D. \(\frac{1}{49}[\begin{matrix}2&-1\\ 3&2\end{matrix}]\)