Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Showing That a Transpose X a Is Invertible

9th - 10th Standards
A video lesson proving that the product of a matrix and its transpose is invertible if all of the columns of the originial matrix are linearly independent. [12:34]
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Rank(a) = Rank (Transpose of A)

9th - 10th Standards
A video lesson showing why the rank of a matrix is the equal to the rank of that matrix's transpose. [11:13]
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Rank(a) = Rank (Transpose of A)

9th - 10th Standards
A video lesson showing why the rank of a matrix is the equal to the rank of that matrix's transpose. [11:13]