Find the determinant of the following matrix.
Press the matrix button or combination of buttons to get the matrix menu. Next, enter the matrix using the matrix editor under one of the letters. This time we will use [A]. From the home screen, re-enter the matrix menu and right arrow to MATH. Select 1:det(, then press ENTER.
Return to the matrix menu . Select 1:[A] and press ENTER. Press ) to close the paratheses, and then press ENTER.
We see that the determinant of our matrix A is 1.
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