Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative Inverse of a Square Matrix
- $\mathrm { A } = \left[ \begin{array} { r r } - 1 & 0 \\ 4 & 2 \end{array} \right]$

A)
$\left[ \begin{array} { r r } - 1 & 0 \\ 2 & \frac { 1 } { 2 } \end{array} \right]$
B) $\left[ \begin{array} { l l } - 1 & 0 \\ - 2 & \frac { 1 } { 2 } \end{array} \right]$
C) No inverse
D) $\left[ \begin{array} { r r } \frac { 1 } { 2 } & 0 \\ 2 & - 1 \end{array} \right]$