Texas Instruments TI-83 - Example 13 Finding the Inverse of a Matrix

110
134
043
A


=−



is nonsingular. Find its inverse.
SOLUTION
Enter the matrix A into your TI-83 as done in Section 11.3. Press MATRX and select
matrix [A] so it appears on the home screen as follows:
Press the inverse button on your calculator:
You should have the following on your home screen:
Press ENTER to obtain the result:
Inverse
x
-1