Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

Multiple Choice

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

A) $\mathrm { B } \neq \mathrm { A } ^ { - 1 }$
B) $B = A ^ { - 1 }$