= [a b] and B =[2³]. a. Compute AB. b. If AB = 1-5₂ 1. Let A = find the entries of A, i.e. find the values of a, b, c, and d.

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 9OE
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1. Let A = [a
= [a b] and
a. Compute AB.
5
b. If AB =
-2 3
[23
41
find the entries of A, i.e. find the values of a, b, c, and d.
and B =
Transcribed Image Text:1. Let A = [a = [a b] and a. Compute AB. 5 b. If AB = -2 3 [23 41 find the entries of A, i.e. find the values of a, b, c, and d. and B =
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