If {eq}det(A) \neq 0 {/eq}, then {eq}A^{-1} = \frac{1}{det A} adj(A) {/eq}, where adj(A) is the adjugate matrix formed by the transpose of the... Learn more about this topic: Finding the Inverse of a 4x4 Matrix | Overview & Examples ...
Samuel Koram
So the inverse of matrix B is: B-1= [[-2, 1], [3/2, -1/2]] What is an adjoint? The adjoint of a matrix, also called the adjugate matrix, and is useful for finding the inverse of a square matrix. To get the adjoint of an n x n matrix A: ...