# Inverse resources

### Video (2)

Matrix inversion of a 3x3 matrix

Matrices 11: This video tutorial explains how to calculate the inverse of a 3x3 matrix. There is an accompanying help leaflet.

The inverse of a 2x2 matrix

Matrices 7: This video tutorial explains what is meant by the inverse of a 2x2 matrix and shows how to calculate this when it exists. There is an accompanying help leaflet.