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Inverse of a 3 by 3 Matrix Using Gauss-Jordan Method
124 views · Oct 4, 2022
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This video goes through the steps in finding the inverse of a 3 by 3 matrix. There are three objectives

1 - Explain what is  a matrix in reduced row echelon form (rref)
2- Write the augmented matrix of the equation to solve
3 - Use the basic row elementary operations to rewrite the augmented matrix  in  reduced row echelon form
4 - Read the inverse matrix

All the detailed steps are explained in the videos starting from the augmented matrix to reading the final answer which is the inverse matrix.

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