-3 0 0 a) A = 2 5 -1 0 71 1 5]

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
1. Compute the determinants of the following matrices using a cofactor expansion along a row
or column of your choice. Show work.
a) A =
c)
-3 0 71
ܚ
5 1
5]
-1 0
A =
[k + 1
+25
k - 1
k - 3
k+1
71
4
kl
[1
b) A = 1
1
k_k²]
k k²
k k²
A =
[3
2
4
L2
3219
10
wwoo
5
-2
-3 0
2
Transcribed Image Text:1. Compute the determinants of the following matrices using a cofactor expansion along a row or column of your choice. Show work. a) A = c) -3 0 71 ܚ 5 1 5] -1 0 A = [k + 1 +25 k - 1 k - 3 k+1 71 4 kl [1 b) A = 1 1 k_k²] k k² k k² A = [3 2 4 L2 3219 10 wwoo 5 -2 -3 0 2
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