Multiply to show that $\left(\begin{array}{ccc}2 & 1 & 1 \ -1 & -1 & 1 \ 0 & 1 & 2\end{array}\right)$ and $\left(\begin{array}{ccc}0.6 & 0.2 & -0.4 \ -0.4 & -0.8 & 0.6 \ 0.2 & 0.4 & 0.2\end{array}\right)$ are inverses.

Question

Quizplus · Accepted Answer

The Answer of Multiply to show that $\left(\begin{array}{ccc}2 & 1 & 1 \ -1 & -1 & 1 \ 0 & 1 & 2\end{array}\right)$ and $\left(\begin{array}{ccc}0.6 & 0.2 & -0.4 \ -0.4 & -0.8 & 0.6 \ 0.2 & 0.4 & 0.2\end{array}\right)$ are inverses.

Multiply to Show That (211−1−11012)\left(\begin{array}{ccc}2 & 1 & 1 \\ -1 & -1 & 1 \\ 0 & 1 & 2\end{array}\right)​2−10​1−11​112​​

Multiply to Show That $\left(\begin{array}{ccc}2 & 1 & 1 \\ -1 & -1 & 1 \\ 0 & 1 & 2\end{array}\right)$