Inverting a 3x3 matrix using determinants Part 1: Matrix of minors and cofactor matrix
8:20
Khan AcademySal Khan
Inverting a 3x3 matrix using determinants Part 1: Matrix of minors and cofactor matrix
Sal shows how to find the inverse of a 3x3 matrix using its determinant. In Part 1 we learn how to find the matrix of minors of a 3x3 matrix and its cofactor matrix.
Nov 7, 2012
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