If A is a non-zero column matrix of order `mxx1` and B is a non-zero row matrix order `1xxn`, then rank of AB equals

If A is a non - zero column matrix of order m xx 1 and B is non - zero row matrix of 1 xx n thhen rank of AB equals : .

If A is non-singular matrix of order, nxxn,

If A is non singular matrix of order 3 , then the rank of A =

If A is non-singular matrix of order 3 ,then the rank of A=

If A is a non-singlular square matrix of order n, then the rank of A is

If A is a non-singlular square matrix of order n, then the rank of A is

If A and B are non zero square matrices of order 3, then

Ifr A is a skew symmetrix matrix of order 3 and B is column matrix of order 3xx1 then B^(T)AB is

Rank of a 3*3 matrix C(=AB), found by multiplying a non-zero column matrix A of size 3*1 and a non-zero row matrix B of size 13, is (a) 0 (b) 1 (c) 2 (d) 3