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Linear Algebra: 4x4 Determinant and Uses of Determinants

A series of linear algebra lectures given in videos by Khan Academy.

 

 

Linear Algebra: Simpler 4x4 determinant
Calculating a 4x4 determinant by putting in in upper triangular form first.

 

 

Linear Algebra: Determinant and area of a parallelogram
Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix

 

 

Linear Algebra: Determinant as Scaling Factor
Viewing the determinant of the transformation matrix as a scaling factor of regions

 

 

Linear Algebra: Transpose of a Matrix

 

 

 

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