Question

inverse matrices

Answer 1

\[\left[\begin{matrix}9 & 4 \\ 2 & 1\end{matrix}\right]X = \left[\begin{matrix}-9 & -6 \\ -1 & -8\end{matrix}\right]\]

Answer 2

Ax = b
x = \(A^- b\)
just find \(A^-\) then time it to b

Answer 3

I am lost I don't get any of the right answers..