Find the determinant and inverse matrix, Mathematics

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Find the Determinant and Inverse Matrix

774_Find the Determinant and Inverse Matrix.png

(a) Find the determinant for A by calculating the elementary products.

(b) Find the determinant for A by reducing the matrix to upper triangular form.

(d) Find the inverse matrix A^-1 by using the adjugate matrix.

(e) Use elementary row operations to find the inverse matrix A^-1.

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