10:54

Inverse of a 2x2 matrix from first principles

10:36

Finding a determinant using elementary row operations

46:12

Matrices Top 10 Must Knows (ultimate study guide)

11:29

How To Find The Determinant of a 4x4 Matrix

5:10

Short Cut Method For Finding Determinant of a 3x3 Matrix

12:42

Elementary Row Operations

27:47

Elementary Row Operations - Solve Using an Augmented Matrix

7:48

Example 4: Finding the determinant of a 5 x 5 matrix