Solve A-1 using Co-Factor Method 2. From #1, Calculate the AA-1=1. What is I? Is it a Matrix? What are its elements?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.4: Subtracting Real Numbers
Problem 48WE
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1. Solve A-1 using Co-Factor Method

2. From #1, Calculate the AA-1=1. What is I? Is it a Matrix? What are its elements?

5
- (2
A =
-1
5 3
3
0 2/
-1
Transcribed Image Text:5 - (2 A = -1 5 3 3 0 2/ -1
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