[" If "[[1,2,3]]B=[[3,4]]," then the order of the "],[" matrix "B" is "]

If [[1,2,3]].B=(3,4) , then the oredr of the matrix is

If [{:(1,2,3):}]A=[(3,4)] , then what is the order of the matrix A ?

If (123)B=(34) then order of the matrix B is

if A=[[2,-34,3]] and B=[[-2,1]] then order of matrix ABis

If A=[[1,-2],[5,3]],B=[[1,-3],[4,-7]] ,then find the matrix A-2B+6I , where I is the unit matrix of order 2.

A=[[-1,0,2],[4,0,-3]] , B=[[0,2],[-1,3],[0,4]] What is the order of matrix AB ?

Let A=[[1,2,3],[3,1,2]] and B=[[-3,1,0],[1,3,-2]] Which of the following is the order of the matrix A+B ?

If A=[(1,1,1),(2,4,1),(2,3,1)],B=[(2,3),(3,4)] then the matrix BA is