Matrices (inverses)

[TsAmE]

Let C = \(\displaystyle \begin{pmatrix}1 & 0 & -2\\ 0& 1& -1\\2 & 1 & 0\end{pmatrix}\). What is the middle row of \(\displaystyle \mathbf{C}^{-1}?\)

How do you know if you should find the left or right inverse?

 

[Deleted member 4993]

Let C = \(\displaystyle \begin{pmatrix}1 & 0 & -2\\ 0& 1& -1\\2 & 1 & 0\end{pmatrix}\). What is the middle row of \(\displaystyle \mathbf{C}^{-1}?\)

How do you know if you should find the left or right inverse?

For square matrix - those are congruent.