Determinants
Definition 2
Cofactor of an element \(a_{ij}\), denoted by \(A_{ij}\) is defined by \(A_{ij}=(-1)^{i+j}M_{ij}\) where \(M_{ij}\) is minor of \(a_{ij}.\)
Cofactor of an element \(a_{ij}\), denoted by \(A_{ij}\) is defined by \(A_{ij}=(-1)^{i+j}M_{ij}\) where \(M_{ij}\) is minor of \(a_{ij}.\)