25 A = served 1 b and B 3 -5 -1 2

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
Section4.2: Adding And Subtracting Polynomials
Problem 24OE
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Question

a = 2, b = 3

Answer the following for the matrices A =
.
(a) Calculate AB, are they inverses?
(b) Solve Ax = b by multiplying by the inverse.

2
Copyright
a
and vector b
Transcribed Image Text:2 Copyright a and vector b
25
= [28]
1 b
-A=
eserved
and B
3
-5
[3 $].
-1 2
Transcribed Image Text:25 = [28] 1 b -A= eserved and B 3 -5 [3 $]. -1 2
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