- ClickitbpF20.125pt18.9375pt3.25ptsqbrack.wmf, and then from the Insert menu,
choose Matrix and specify 2 rows and 2 columns.
- Type 1, press Tab, type 2, press Tab, type 7, press Tab, and type -3.
- From the Maple menu, choose Matrices and then choose Inverse. Maple
inverts the matrix: