Decide Whether or Not the Matrices Are Inverses of Each $\left[ \begin{array} { r r } 10 & 1 \\ - 1 & 0 \end{array} \right]$

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $\left[ \begin{array} { r r } 10 & 1 \\ - 1 & 0 \end{array} \right]$ and $\left[ \begin{array} { r r } 0 & 1 \\ - 1 & 10 \end{array} \right]$

A) $\mathrm { No }$
B) $Y e s$