Inverses & Determinants of Matrices

Determinant

• Video on Finding the Determinant of a 3x3 Matrix (Patrick JMT)
• Video on the Determinant of a 3x3 Matrix - I (mathcentre)
• Video on the Determinant of a 3x3 Matrix -II (mathcentre)
• Notes on Properties of Determinants (MIT)
• Video on Determinants of Matrices and their Properties of Determinants (MIT)
• Notes on Determinant Formulae and Cofactors (MIT)
• Videos on different aspects of Determinants (Khan Academy)

Finding the Inverse using the Determinant

• Videos on Inverse & Determinant of 2x2 & 3x3 Matrices (Khan Academy)
• Video on the Inverse of a 3x3 Matrix using Determinants (Patrick JMT)
• Video on the Inverse of a 3x3 Matrix (mathcentre)
• Notes on the Inverse of a 3x3 Matrix (mathcentre)

Finding Matrix Inverses using Row Reduction

• Video on Matrix Inverses using Row Reduction (Patrick JMT)
• Video on Inverse of a 3x3 Matrix using Row Reduction (MIT)
• Notes on the Inverse of Matrices using Row Reduction (MIT)

Solving the System Ax=b

• Notes on using Inverse Matrices to solve Simultaneous Equations (mathcentre)
• Video on Solving Ax=0 (MIT)
• Video on Solving Ax=b by Row Reduction (MIT)
• Video on Solving Ax=b Using Inverses (Patrick JMT)
• Video on Solving Homogeneous Systems of Linear Equations (Patrick JMT)