Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Consider the matrix
B
=
(
3
0
2
−
1
4
1
5
−
2
−
3
)
.
B = \begin{pmatrix} 3 & 0 & 2\\ -1 & 4 & 1\\ 5 & -2 & -3 \end{pmatrix}.
B
=
3
−
1
5
0
4
−
2
2
1
−
3
.
(a) Compute
∣
B
∣
|B|
∣
B
∣
. (b) Find
adj
B
\operatorname{adj}B
adj
B
. (c) Using your results from parts (a) and (b), determine
B
−
1
B^{-1}
B
−
1
.
Browse the problem library