Find the Inverse of the Matrix $$\left[ \begin{array} { l l } 1 & - 2 \\0 & - 2\end{array} \right]$$

question 87

Multiple Choice

Find the inverse of the matrix.
- $$\left[ \begin{array} { l l } 1 & - 2 \\0 & - 2\end{array} \right]$$

• A) \(\left[ \begin{array} { c c } - \frac { 1 } { 2 } & - 1 \\ 0 & 1 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r } 0 & - \frac { 1 } { 2 } \\ 1 & - 1 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r } 1 & 1 \\ 0 & - \frac { 1 } { 2 } \end{array} \right]\)
• D) \(\left[ \begin{array} { c c } 1 & - 1 \\ 0 & - \frac { 1 } { 2 } \end{array} \right]\)