Question

For the matrix $A = \begin{pmatrix}3&-3&4\\\ 2&-3&4\\\ 0&-1&1\end{pmatrix}, A^{-1} =$

• A. $A$
• B. $A^2$
• C. $A^3$
• D. $A^4$

Answer 1

Answer: (C)

$A^3$

Answer 2

Answer (c) $A^3$