Determine Whether the Matrices Are Inverses

question 54

True/False

Determine whether the matrices are inverses.
- $$\left[ \begin{array} { r r } - 2 & 4 \\4 & - 4\end{array} \right] , \left[ \begin{array} { l l } \frac { 1 } { 2 } & \frac { 1 } { 4 } \\\frac { 1 } { 2 } & \frac { 1 } { 4 }\end{array} \right]$$

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