This screencasts applies the co-factor matrix method to find the inverse of a 3x3 matrix.

The inverse of a 3x3 matrix using the cofactor method (MathsCasts)

These MathsCasts were produced by the mathematics support centres at Swinburne University, the University of Limerick and Loughborough University. They were part of a collaborative research project to develop high quality resources and investigate the effectiveness of MathsCasts to support mathematics learning. The full set of resources are available at http://commons.swin.edu.au/s/mathscasts MathsCasts are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License

Share The inverse of a 3x3 matrix using the cofactor method (MathsCasts)

Sign up to save your podcasts

The inverse of a 3x3 matrix using the cofactor method (MathsCasts)

The inverse of a 3x3 matrix using the cofactor method (MathsCasts)