Sec 6: Inverse Matrices

To find inverse of a nonsingular matrix using calculator: Step 1. Input the matrix say A. Step 2. Call matrix A and hit in your calculator then hit MATH and select 1 : Frac to get the matrix along with determinant value. Example 1. Find the inverse of a two by two matrix by hand: then . Now verify that . Example 2. Show that . Solution: We can ... ................
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