15 A = ( 2 + 6 + 9). 3 -69 by using cofactor expansion 4. (2) by using find det A row reduction
15 A = ( 2 + 6 + 9). 3 -69 by using cofactor expansion 4. (2) by using find det A row reduction
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 46E
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By hand solution needed only
Q4 both parts (1 and 2) needed
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By hand solution needed only
![015
A = 3 -69
2
61
(1) by using cofactor expansion
4.
2) by using
row reduction
find det A](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6f0fc2b-ed06-42f6-aea2-7d26d8b1334d%2F44296619-d866-445c-90a8-080f1abb4450%2Fltomnus_processed.jpeg&w=3840&q=75)
Transcribed Image Text:015
A = 3 -69
2
61
(1) by using cofactor expansion
4.
2) by using
row reduction
find det A
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