Let `A` be a square matrix of order `3` so that sum of elements of each row is `1`. Then the sum elements of matrix `A^(2)` is

Let A be a square matrix of order n(>2) such that each element in a row / column of A is 0; then det A=0.

Let A_(i) denote a square matrix of order n xx n with every element a; Then,the sum of fall elements of the product matrix (A_(1)A_(2)...A_(n)) is

" 2.Let A be a square matrix of order "3times3" ,then "|KA|" is equal to "

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

Let A=[a_(ij)] be 3x3 matrix such that sum of trace of A^(T)A and number of elements of A is twice the sum of all the elements of matrix A

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 cofactros of elements of matrix A_(n -1) , then |A_(n)| equals

If A is a square matrix of order 3 having a row of zeros, then the determinant of A is

If A is a square matrix of order 3 having a row of zeros,then the determinant of A is