# Inverse of a 3×3 Matrix

In these lessons, we will learn how to find the inverse of a 3×3 matrix using Determinants and Cofactors, Guass-Jordan, Row Reduction or Augmented Matrix methods. You can also check your answers using the 3x3 inverse matrix calculator.

## 3×3 inverse matrix calculator

Enter in your 3×3 matrix to get the inverse.

## Using Determinants and Cofactors

Finding the Inverse of a 3 x 3 Matrix using Determinants and Cofactors - Example 1.
Besides using row reduction, this is another way to find the inverse of a 3 x 3 matrix.

Finding the Inverse of a 3 x 3 Matrix using Determinants and Cofactors - Example 2.
Besides using row reduction, this is another way to find the inverse of a 3 x 3 matrix.

Finding the Inverse of a 3 x 3 Matrix using Determinants and Cofactors - Example 3.
Besides using row reduction, this is another way to find the inverse of a 3 x 3 matrix.

Inverting matrices
Inverting a 3x3 matrix.

## Using Gauss-Jordan / Row Reduction / Augmented Matrix

This video explains how to find the inverse of a 3x3 matrix using an augmented matrix.

This video explains how to find the inverse of a 3x3 matrix using an augmented matrix.

Inverse Matrix Using Gauss-Jordan / Row Reduction , Example 2.
An example of finding the inverse of a 3 x 3 matrix using Gauss - Jordan / row reduction.

Inverting Matrices
Using Gauss-Jordan elimination to invert a 3x3 matrix.

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