Inverse of a 3×3 matrix (using elementary row operations)

December 31, 2020

How to find the inverse of a 3×3 matrix using the method of elementary row operations

For a matrix A, we start of by creating an augmented matrix [ A | I ], where ‘I’ is the identity matrix. We then apply elementary row operations to transform our augmented matrix to [ I | A^-1 ] to find the inverse of matrix A.

Music by Adrian von Ziegler

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