Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 28RE
Related questions
Question
![Question
-x₁ + 3x₂ = 2
2x1 + x2 + 4x3 = 3
x2 + 2x3
=
4
(a) Using [IA] ~ [A¯¹|I], Find A−¹.
(b) Find Adj A.
(c)Using b, find A-¹.
(d) Are a and b equal? If yes, find the unknowns (x₁, x2, x3) using the inverse of A.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5271313a-5a1f-4d07-82a4-8e8f0bce0b42%2F70948500-7946-4a11-8d7a-ca3a62e6920a%2Fv4mphnd_processed.png&w=3840&q=75)
Transcribed Image Text:Question
-x₁ + 3x₂ = 2
2x1 + x2 + 4x3 = 3
x2 + 2x3
=
4
(a) Using [IA] ~ [A¯¹|I], Find A−¹.
(b) Find Adj A.
(c)Using b, find A-¹.
(d) Are a and b equal? If yes, find the unknowns (x₁, x2, x3) using the inverse of A.
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Follow-up Questions
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Follow-up Question
Can you answer subparts c and thanks
![Question
-x₁ + 3x₂ = 2
2x1 + x2 + 4x3 = 3
x2 + 2x3
=
4
(a) Using [IA] ~ [A¯¹|I], Find A−¹.
(b) Find Adj A.
(c)Using b, find A-¹.
(d) Are a and b equal? If yes, find the unknowns (x₁, x2, x3) using the inverse of A.](https://content.bartleby.com/qna-images/question/5271313a-5a1f-4d07-82a4-8e8f0bce0b42/314ed894-2937-4576-91c5-9827600b0252/h5ty23_thumbnail.png)
Transcribed Image Text:Question
-x₁ + 3x₂ = 2
2x1 + x2 + 4x3 = 3
x2 + 2x3
=
4
(a) Using [IA] ~ [A¯¹|I], Find A−¹.
(b) Find Adj A.
(c)Using b, find A-¹.
(d) Are a and b equal? If yes, find the unknowns (x₁, x2, x3) using the inverse of A.
Solution
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