A = 2 31 331 24 1 and B = -1 -1 6 1 0 0 1 -2 -3,

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
Chapter4: Polynomials
Section4.1: Exponents
Problem 30WE
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Question

a) show that the matrices (photo attached) are or are not inverse of each other. 

b) use a to solve the following system of equations: 

2x + 3y + z = 4

3x + 3y + z = 8

2x + 4y + z = 5

A =
2 3 1
3 3 1
2 4
1
and B =
-1
−1
-1
6
1
0
-2
0
1
-3
Transcribed Image Text:A = 2 3 1 3 3 1 2 4 1 and B = -1 −1 -1 6 1 0 -2 0 1 -3
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