Find the Products AB and BA to Determine Whether B $$A = \left[ \begin{array} { r r } 0 & - 3 \\- 5 & - 5\end{array} \right]$$

question 32

Multiple Choice

Find the products AB and BA to determine whether B is the multiplicative inverse of A.
- $$A = \left[ \begin{array} { r r } 0 & - 3 \\- 5 & - 5\end{array} \right]$$

• A) \(\left[ \begin{array} { l l } \frac { 1 } { 3 } & \frac { 1 } { 5 } \\ \frac { 1 } { 3 } & 0 \end{array} \right]\)
• B) \[\left[ \begin{array} { c } \frac { 1 } { 3 } - \frac { 1 } { 5 } \\ - \frac { 1 } { 3 } 0 \end{array} \right]\]
• D) \(\left[ \begin{array} { r r } 0 & - \frac { 1 } { 5 } \\ - \frac { 1 } { 3 } & \frac { 1 } { 3 } \end{array} \right]\)

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