Given matrix A shown on the right, do the following: a) Find the inverse matrix of A using the determinant and the adjoint matrix. Hint: adjoint matrix is the transpose of the cofactor matrix. b) Find the inverse matrix of A by appending an identity matrix to A and performing elementary row operations until A has become an identity matrix and the original identity matrix has transformed into A 1 3 1 1] 25 2 2 1 3 89 13 2 2

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