Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Given
A
=
[
3
1
2
0
]
,
B
=
[
1
2
4
1
]
A=\begin{bmatrix}3&1\\2&0\end{bmatrix},\; B=\begin{bmatrix}1&2\\4&1\end{bmatrix}
A
=
[
3
2
1
0
]
,
B
=
[
1
4
2
1
]
…
Mathematics
Problem
Given
A
=
[
3
1
2
0
]
,
B
=
[
1
2
4
1
]
A=\begin{bmatrix}3&1\\2&0\end{bmatrix},\; B=\begin{bmatrix}1&2\\4&1\end{bmatrix}
A
=
[
3
2
1
0
]
,
B
=
[
1
4
2
1
]
and the scalar
k
=
5
k=5
k
=
5
, find
k
(
A
B
)
k(AB)
k
(
A
B
)
and
(
k
A
)
B
(kA)B
(
k
A
)
B
and state whether they are equal.
Browse the problem library