Question

what is adjoint and inverse of a matrix? ​

Answer 1

Step-by-step explanation:

The adjoint of a matrix (also called the adjugate of a matrix) is defined as the transpose of the cofactor matrix of that particular matrix. On the other hand, the inverse of a matrix A is that matrix which when multiplied by the matrix A give an identity matrix.

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Answer 2

Step-by-step explanation:

Adjoint of a matrix is the matrix made up of the cofactors of the original matrix and the inverse of a matrix is the adjoint divided by the det of the original matrix.

also if A is a matrix and A¹ is the inverse then, A.A¹ = I where I is the identity matrix