Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
For the matrices and
MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices
Problem
For the matrices
A
=
(
2
−
1
3
4
)
A=\begin{pmatrix}2 & -1\\ 3 & 4\end{pmatrix}
A
=
(
2
3
−
1
4
)
and
I
=
(
1
0
0
1
)
I=\begin{pmatrix}1 & 0\\ 0 & 1\end{pmatrix}
I
=
(
1
0
0
1
)
, what is the value of
A
I
−
I
A
AI - IA
A
I
−
I
A
? (a)
A
−
I
2
A-I_{2}
A
−
I
2
(b)
2
A
2A
2
A
(c)
O
2
O_{2}
O
2
(d)
A
A
A
Related theory
Matrices
Matrix operations
Properties of matrix operations
Browse the problem library