- #1

TomSavage

- 4

- 0

1 2 -1

2 -1 1

and i am asked if there is any B matrix that can make AB = 1-1

1 1

I assume that this is not possible because if we follow the law of Ax=B then {A}^{-1} * B =x and since matrix a is singular then it cannot be inverted and thus this operation is impossible. Am I wrong in thinking this?