Decide whether or not matrix A and matrix B are inverses.
-$$A = \left[ \begin{array} { r r }
6 & - 5 \
- 3 & 5
\end{array} \right] \text { and } B = \left[ \begin{array} { l l }
1 / 3 & 1 / 3 \
1 / 5 & 2 / 5
\end{array} \right]$$
A) Yes
B) No

Question

Decide whether or not matrix A and matrix B are inverses.
-$$A = \left[ \begin{array} { r r } 
6 & - 5 \
- 3 & 5
\end{array} \right] \text { and } B = \left[ \begin{array} { l l } 
1 / 3 & 1 / 3 \
1 / 5 & 2 / 5
\end{array} \right]$$
A) Yes
B) No

Quizplus · Accepted Answer

Matrix A and matrix B are inverses because their product is the identity matrix.

Decide Whether or Not Matrix a and Matrix B Are