(Solved):
(1 point) Let A=322111210 Verify that A1=120241111 ...
(1 point) Let A=?32?2?11?1?210?? Verify that A?1=?1?20??241??111?? (a) \ bold b=[1?2?1?]T(x1?,x2?,x3?)= (Notice that you should enter a point for your answer, i.e., (c1?,c2?,c3?) for some c1?,c2? and c3? (b) \ bold b=[1??2?4?]T(x1?,x2?,x3?)=
![(1 point) Let
\[
A=\left[\begin{array}{ccc}
3 & 1 & 2 \\
2 & 1 & 1 \\
-2 & -1 & 0
\end{array}\right]
\]
Verify that
\[
A^{-1}](https://media.cheggcdn.com/media/4f0/4f0b17c5-7c8a-496f-9a3e-a5ba5c1e14ab/phpyn9YHi)