Find the Inverse of the Matrix, If It Exists $\left[ \begin{array} { r r } \frac { 1 } { 2 } & 4 \\8 & - 1\end{array} \right]$

question 106

Essay

Find the inverse of the matrix, if it exists. $\left[ \begin{array} { r r } \frac { 1 } { 2 } & 4 \\8 & - 1\end{array} \right]$

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