Current time:0:00Total duration:8:47

0 energy points

# 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. Created by Sal Khan.