Decide Whether or Not the Matrices Are Inverses of Each

question 416

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $$\left[ \begin{array} { l l } 9 & 4 \\4 & 4\end{array} \right] \text { and } \left[ \begin{array} { r r } - .2 & .2 \\.2 & - .45\end{array} \right]$$

• A) Yes
• B) No

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