Solve the problem.
-Does the commutative property of multiplication, A × B = B × A, hold for matrices A and B? $$A = \left[ \begin{array} { r r r }
- 9 & 7 & 2 \
3 & 5 & 1 \
9 & - 4 & 9
\end{array} \right] , B = \left[ \begin{array} { l l l }
1 & 0 & 0 \
0 & 1 & 0 \
0 & 0 & 1
\end{array} \right]$$
A) Yes
B) No

Question

Solve the problem.
-Does the commutative property of multiplication, A × B = B × A, hold for matrices A and B? $$A = \left[ \begin{array} { r r r } 
- 9 & 7 & 2 \
3 & 5 & 1 \
9 & - 4 & 9
\end{array} \right] , B = \left[ \begin{array} { l l l } 
1 & 0 & 0 \
0 & 1 & 0 \
0 & 0 & 1
\end{array} \right]$$
A) Yes
B) No

Quizplus · Accepted Answer

Matrix B is the identity matrix, and multiplying any matrix A by the identity matrix (in either order) results in matrix A, thus satisfying the commutative property in this specific case.

Solve the Problem A) Yes B) No

Solve the Problem A) Yes
B) No