Determine whether A and B are inverses.
-$$A = \left[ \begin{array} { r r r }
0 & 3 & 1 \
1 & - 2 & 0 \
4 & - 1 & 2
\end{array} \right] \text { and } B = \left[ \begin{array} { r r r }
- 4 & - 7 & 2 \
- 2 & - 4 & 1 \
7 & 12 & - 3
\end{array} \right]$$
A) No
B) Yes

Question

Determine whether A and B are inverses.
-$$A = \left[ \begin{array} { r r r } 
0 & 3 & 1 \
1 & - 2 & 0 \
4 & - 1 & 2
\end{array} \right] \text { and } B = \left[ \begin{array} { r r r } 
- 4 & - 7 & 2 \
- 2 & - 4 & 1 \
7 & 12 & - 3
\end{array} \right]$$
A) No
B) Yes

Quizplus · Accepted Answer

To determine if A and B are inverses, we need to check if the product AB is the identity matrix. Calculating AB gives the identity matrix, confirming that A and B are inverses.

Determine Whether a and B Are Inverses A) No B) Yes

Determine Whether a and B Are Inverses A) No
B) Yes