Find A-1 by forming [A|l] and then using row operations to obtain [I|B], where A 1 = [B]. Check that AA 1 = | and A-1A = 1. 6 6 -1 A = 3 - 1 -1 -6 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A O A. (Type an integer or a simplified fraction for each matrix element.) O B. The matrix does not have an inverse.

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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- 1
by forming [A|l] and then using row operations to obtain [I|B], where A
Find A
= [B]. Check that AA-1 =1 and A-1A =1.
6
6 - 1
A =
3 - 1
-1 -6
1
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
- 1
A
O A.
(Type an integer or a simplified fraction for each matrix element.)
%3D
B. The matrix does not have an inverse.
Transcribed Image Text:- 1 by forming [A|l] and then using row operations to obtain [I|B], where A Find A = [B]. Check that AA-1 =1 and A-1A =1. 6 6 - 1 A = 3 - 1 -1 -6 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. - 1 A O A. (Type an integer or a simplified fraction for each matrix element.) %3D B. The matrix does not have an inverse.
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