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Linear Algebra: Matrix Determinants




 


A series of linear algebra lectures given in videos.

Linear Algebra: nxn Determinant
Defining the determinant for nxn matrices. An example of a 4x4 determinant.
Linear Algebra: Determinants along other rows/cols
Finding the determinant by going along other rows or columns



Linear Algebra: Rule of Sarrus of Determinants
A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus)
Linear Algebra: Determinant when row multiplied by scalar
The determinant when a row is multiplied by a scalar


 
Linear Algebra: (correction) scalar multiplication of row
Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant


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 widget 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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