d eno9omun PRACTICE PROBLEM 5 -7 0 . 3 0. Compute -5 -8 3.1 EXERCISES Compute the determinants in Exercises 1-8 using a cofactor expansion across the first row. In Exercises 1-4, also compute the determinant by a cofactor expansion down the second column. 3 4 4 1 1. 2 3 2. 5 -3
d eno9omun PRACTICE PROBLEM 5 -7 0 . 3 0. Compute -5 -8 3.1 EXERCISES Compute the determinants in Exercises 1-8 using a cofactor expansion across the first row. In Exercises 1-4, also compute the determinant by a cofactor expansion down the second column. 3 4 4 1 1. 2 3 2. 5 -3
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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186 of 579
PRACTICE PROBLEM
5-7
2
3
0.
0.
Compute
-5 -8
3.1
EXERCISES
Compute the determinants in Exercises 1-8 using a cofactor
expansion across the first row. In Exercises 1-4, also compute the
determinant by a cofactor expansion down the second column.
4
4
1
1.
2.
2. 5
-3
-1
2
1
170 CHAPTER 3
Determinants
4
3
4.
1
7.
8. 4
20.
7.
3
3
-2
21.
Compute the determinants in Exercises 9-14 by cofactor expan-
sions. At each step, choose a row or column that involves the least
amount of computation.
22.
0.
1
-2
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Help
OK]math2995 Linear Algebra A Modern I...
186 of 579
PRACTICE PROBLEM
5-7
2
3
0.
0.
Compute
-5 -8
3.1
EXERCISES
Compute the determinants in Exercises 1-8 using a cofactor
expansion across the first row. In Exercises 1-4, also compute the
determinant by a cofactor expansion down the second column.
4
4
1
1.
2.
2. 5
-3
-1
2
1
170 CHAPTER 3
Determinants
4
3
4.
1
7.
8. 4
20.
7.
3
3
-2
21.
Compute the determinants in Exercises 9-14 by cofactor expan-
sions. At each step, choose a row or column that involves the least
amount of computation.
22.
0.
1
-2
9 Rejected 3 days ago
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