Find the inverse of matrix . Solution to Example 1 Write the augmented matrix Write the above augmented matrix in reduced row echelon form . The above augmented matrix has the form

To calculate inverse matrix you need to do the following steps. Set the matrix (must be square) and append the identity matrix of the same dimension to it. Reduce the left matrix to row

1 Creating the Adjugate Matrix to Find the Inverse Matrix 2 Using Linear Row Reduction to Find the Inverse Matrix 3 Using a Calculator to Find