Inverting a 3x3 matrix using determinants Part 2: Adjugate matrix

Adjugate Matrix Overview, Steps & Example

In Exercises 11–16, compute the adjugate of the given matrix, and then use Theorem 8 to give the inverse of the matrix. [ 1 -1 2 0 2 1 2 0 4] | Numerade

Find the adjugate of the matrix A in the previous problem.

Inverting a 3x3 matrix using determinants Part 2: Adjugate matrix

Symmetric Matrix & Skew Symmetric Matrix (Definition & Properties)