In Exercises 9–14 , evaluate the determinant of the matrix by first reducing the matrix to row echelon form and then using some combination of row operations and cofactor expansion [ 1 3 1 5 3 − 2 − 7 0 − 4 2 0 0 1 0 1 0 0 2 1 1 0 0 0 1 1 ]
In Exercises 9–14 , evaluate the determinant of the matrix by first reducing the matrix to row echelon form and then using some combination of row operations and cofactor expansion [ 1 3 1 5 3 − 2 − 7 0 − 4 2 0 0 1 0 1 0 0 2 1 1 0 0 0 1 1 ]
In Exercises 9–14, evaluate the determinant of the matrix by first reducing the matrix to row echelon form and then using some combination of row operations and cofactor expansion
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HOW TO FIND DETERMINANT OF 2X2 & 3X3 MATRICES?/MATRICES AND DETERMINANTS CLASS XII 12 CBSE; Author: Neha Agrawal Mathematically Inclined;https://www.youtube.com/watch?v=bnaKGsLYJvQ;License: Standard YouTube License, CC-BY