Mathematics · essential
Adjoint definition for JEE
Adjoint and inverse of a square matrix
Formula
\(\operatorname{adj}(A)=(C_{ij})^T\), where \(C_{ij}\) is the cofactor of \(a_{ij}\).
Variables: \(\operatorname{adj}(A)\): adjoint (adjugate) of \(A\).
Conditions: Defined for square matrices.
Finding inverse by adjoint method.