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

If A is a matrix of order 5xx3 , what is the number of elements in a row of A?

If A be a matrix of order 3xx4 , then elements of A, are

Let A be a (4xx4) matrix such that the sum of elements in each row is 1 . Find out sum of the all the elements in A^(10) .

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| be square matrix of order 3 and |A| = 6, then |2A| =

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

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