Problem 2. Let E be the 3 × 3 matrix that corresponds to the row operation R3 = R3 +3R¡. %3D (a) Find E-1. E-1 -36 22 14 (b) Find EA where A = -26 -26 -7|: 10 -5 32 EA = 000

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
Problem 7CC: If A and B are matrices with the same dimension and k is a real number, how do you find A+B and kA ?
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Problem 2

Problem 2.
Let E be the 3 × 3 matrix that corresponds to the row operation R3
: R3 + 3R1.
(a) Find E-1:
E-1
-36
22
14
(b) Find EA where A =
-26
-26
-7
:
10
-5
32
EA =
00
Transcribed Image Text:Problem 2. Let E be the 3 × 3 matrix that corresponds to the row operation R3 : R3 + 3R1. (a) Find E-1: E-1 -36 22 14 (b) Find EA where A = -26 -26 -7 : 10 -5 32 EA = 00
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