The sum of products of elements of any row with the cofactors of corresponging elements is equal to……………

The sum of the products of elements of any row with the co-factors of corresponding elements is equal to "........."

The sum of the products of elements of any row with the cofactors of the corresponding element of any other row is 0 1 -1 2

Let A be a square matrix of order n; then the sum of the product of elements of any row (column) with the cofactors of the corresponding elements of some other row (column) is 0.

Let A be a square matrix of order n; then the sum of the product of elements of any row (column) with their cofactors is always equal to det A

The sum of the products of the elements of any row of a matrix A with the corresponding cofactors of the elements of the same row is always equal to

The sum of the products of the elements of any row of a matrix A with the corresponding cofactors of the elements of the same row is always equal to

Let A = [a_(ij)] " be a " 3 xx3 matrix and let A_(1) denote the matrix of the cofactors of elements of matrix A and A_(2) be the matrix of cofactors of elements of matrix A_(1) and so on. If A_(n) denote the matrix of cofactors of elements of matrix A_(n -1) , then |A_(n)| equals