Inverting a 3x3 matrix using determinants Part 2: Adjugate matrix

Sal shows how to find the inverse of a 3x3 matrix using its determinant. In Part 2 we complete the process by finding the determinant of the matrix and its adjugate matrix.

Inverting a 3x3 matrix using Gaussian elimination

Sal explains how we can find the inverse of a 3x3 matrix using Gaussian elimination.

Current time: 0:00Total duration: 16:44

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# Classic video on inverting a 3x3 matrix part 1

Inverting a 3x3 matrix. Created by Sal Khan.