A and B are two matrices such that A+B and AB are defined.If the number of rows of the matrix A is 5, then the number of columns of the matrix B is

If a matrix contain 5 rows and 3 columns, then the number of elements of the matrix is _____

If A is any mxxn matrix such that AB and BA are both defined, then B is a matrix of order

If A and B are two matrices such that their product AB is a null matrix, then

If A and B are two matrices such that their product AB is a null matrix, then

If A and B are two matrices such that their product AB is a null matrix, then

If A and B are two matrices such that their product AB is a null matrix, then

A is a 3xx4 matrix .A matrix B is such that A'B and BA' are defined . Then the order of B is ……..

If A and B are two matrices such that A+B and AB are both defined then (A) A and B can be any matrices (B) A,B are squre matrices not necessarily of same order (C) A,B are square matrices of same order (D) nuber of columns of A=number of rows of B