Find the order of the product matrix AB is

If the order of left hand matrix 3times3 and order of right hand matrix 3times2 then find the order of product matrix is ___.

Write the order of the product matrix : [(1),(2),(3)]["2 3 4"]

Write the order of the product matrix : [[1], [2], [3]] [[2,3,4]]

If A is matrix of order m xx n and B is a matrix such that AB' and B'A are both defined, the order of the matrix B is

If A is a matrix of order 3xx4 and B is a matrix of order 4xx3 , find the order of the matrix (AB).

If A is a matrix of order 3xx7 and B is a matrix of order 7xx3 then what will be the order of the matrix AB and BA ?

If A is a matrix of order 3xx4 and B is a matrix of order 4xx3, find the order of the matrix of AB.