-5 -19 5 A = 4 В — -19 -4

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
Chapter9: Systems Of Linear Equations
Section9.7: Puzzle Problems
Problem 1MRE
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For what value of c is it true that AB=I ?

c = 

 

 

-5
-19
5
A
B =
4
-19
-4
C
Transcribed Image Text:-5 -19 5 A B = 4 -19 -4 C
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