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1. |
Which among the below matrices has the inverse A-1=\(\begin{bmatrix}1&-\frac{5}{8}\\0&\frac{1}{8}\end{bmatrix}\) |
A. | \(\begin{bmatrix}1&5\\0&8\end{bmatrix}\) |
B. | \(\begin{bmatrix}1&5\\-1&8\end{bmatrix}\) |
C. | \(\begin{bmatrix}1&5\\0&16\end{bmatrix}\) |
D. | \(\begin{bmatrix}1&8\\0&8\end{bmatrix}\) |
Answer» B. | |