Minor of an element for JEE

Formula

The minor of \(a_{ij}\) is \(M_{ij}=\) determinant obtained by deleting the \(i\)-th row and \(j\)-th column.

Variables: \(M_{ij}\): minor of \(a_{ij}\).

Conditions: For a square determinant.

Cofactors, adjoint, Laplace expansion.