Let A=⎡⎢⎣46−13021−25⎤⎥⎦,B=⎡⎢⎣2401−12⎤⎥⎦ and C = [3 1 2]. The expression which is not defined is
B'B
CAB
A+B'
A2+A
We cannot add two matrices of different order. Hence A + B' is not possible.