-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.

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
-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.
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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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.
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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