Let A=⎡⎢⎣46−13021−25⎤⎥⎦,B=⎡⎢⎣2401−12⎤⎥⎦ and C = [3 1 2]. The expression which is not defined is
Let A=[210−2],B=[41−3−2] and C=[−32−14] Find: A2+AC−5B