Decide Whether or Not the Matrices Are Inverses of Each $\left[ \begin{array} { r r } 6 & - 5 \\ - 3 & 5 \end{array} \right]$

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $\left[ \begin{array} { r r } 6 & - 5 \\ - 3 & 5 \end{array} \right]$ and $\left[ \begin{array} { l l } \frac { 1 } { 3 } & \frac { 1 } { 3 } \\ \frac { 1 } { 5 } & \frac { 2 } { 5 } \end{array} \right]$

A) $\mathrm { No }$
B) Yes