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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.


Related Topics: More Lessons on Matrices


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.




Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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