Algebra
Matrices

Inverting matrices

  1. Idea Behind Inverting a 2x2 Matrix
  2. Finding the Determinant of a 2x2 matrix
  3. Determinant of a 2x2 matrix
  4. Inverse of a 2x2 matrix
  5. Inverse of a 2x2 matrix
  6. Matrices to solve a system of equations
  7. Matrices to solve a vector combination problem
  8. Finding the determinant of a 3x3 matrix method 1
  9. Finding the determinant of a 3x3 matrix method 2
  10. Determinant of a 3x3 matrix
  11. Inverting 3x3 part 1: Calculating Matrix of Minors and Cofactor Matrix
  12. Inverting 3x3 part 2: Determinant and Adjugate of a Matrix
  13. Inverse of a 3x3 matrix
  14. Inverting matrices (part 2)
  15. Inverting Matrices (part 3)
  16. Singular Matrices

Determinant of a 3x3 matrix Find the determinant of a 3x3 matrix