Multiplicative Inverses of Matrices and Matrix Equations
1 Find the Multiplicative

question 119

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) \(B = A ^ { - 1 }\)

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