itbpF50.75pt21.75pt6ptex3.wmfInvert $\left[\vphantom{
\begin{array}{cc}
1 & 2 \\
7 & -3
\end{array}
}\right.$$\begin{array}{cc}
1 & 2 \\
7 & -3
\end{array}$$\left.\vphantom{
\begin{array}{cc}
1 & 2 \\
7 & -3
\end{array}
}\right]$

  1. ClickitbpF20.125pt18.9375pt3.25ptsqbrack.wmf, and then from the Insert menu, choose Matrix and specify 2 rows and 2 columns.

  2. Type 1, press Tab, type 2, press Tab, type 7, press Tab, and type -3.

  3. From the Maple menu, choose Matrices and then choose Inverse. Maple inverts the matrix:


    $\displaystyle \fbox{$
\begin{tabular}{lllll}
\rule[-0.25in]{0in}{0.6in} & & $...
...7}
\end{array}
\right] $ & \rule[-0.25in]{0in}{0.6in} &
\end{tabular}
$}
$