Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
A
=
[
1
2
3
2
3
1
]
A = \begin{bmatrix} 1 & 2 & 3 \\ 2 & 3 & 1 \end{bmatrix}
A
=
[
1
2
2
3
3
1
]
and
B
=
[
3
−
1
3
−
1
0
2
]
B = \begin{bmatrix} 3 & -1 & 3 \\ -1 & 0 & 2 \end{bmatrix}
B
=
[
3
−
1
−
1
0
3
2
]
, then find
2
A
−
B
2A - B
2
A
−
B
.
Browse the problem library