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

Question

Quizplus · Accepted Answer

Two matrices are inverses if their product is the identity matrix. Multiplying the given matrices results in the identity matrix, confirming they are inverses.

Decide Whether or Not the Matrices Are Inverses of Each [6−5−35]\left[ \begin{array} { r r } 6 & - 5 \\ - 3 & 5 \end{array} \right][6−3​−55​]

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