Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Inverting Matrices (Part 2)

9th - 10th Standards
Video example of finding the inverse of a 3 by 3 matrix. Includes using expansion by minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix. This video also appears in the strand Algebra:...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Inverting Matrices (Part 2)

9th - 10th Standards
Video example of finding the inverse of a 3 by 3 matrix. Includes using expansion of minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix. This video also appears in the strand Algebra:...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Inverting Matrices (Part 2)

9th - 10th Standards
Video example of finding the inverse of a 3 by 3 matrix. Includes using expansion of minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix. This video also appears in the strand Algebra:...
Instructional Video
Khan Academy

Khan Academy: Inverting Matrices: Inverting Matrices (Part 2)

9th - 10th Standards
Inverting a 3x3 matrix. This video includes using expansion of minors to determine the determinant and finding the matrix of cofactors and adjugate or adjoint matrix.
Instructional Video
Khan Academy

Khan Academy: Calculating Matrix of Minors and Cofactor Matrix

9th - 10th Standards
Inverting a 3x3 matrix then calculate the matrix of minors and the cofactor matrix.