only need the steps of evaluating E1 to E-1.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.2: Direct Methods For Solving Linear Systems
Problem 3CEXP
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Linear Algebra. Only have a question for 1 step! Can anyone explain why inverse E1, it is -4 but not 0? I do not understand this thing. You can ignore others, I only need the steps of evaluating E1 to E-1.

E. =
Ez =
%3D
E, =
-400
-(
E, =
4 0
A=
d ef
a
E, A =
Youw } -4. Pao 1→ row}
g-4Q h-4b
フカ-1
E, A =
interchange Yow 1 and Vao 2.
b
し
a
E,A
d
5. row }
59th $i
Ruchi Guo: Once you might buy this new your new newly three by one tapes will also compared to the other compared to the original metrics eight. So basicall
ó of
Transcribed Image Text:E. = Ez = %3D E, = -400 -( E, = 4 0 A= d ef a E, A = Youw } -4. Pao 1→ row} g-4Q h-4b フカ-1 E, A = interchange Yow 1 and Vao 2. b し a E,A d 5. row } 59th $i Ruchi Guo: Once you might buy this new your new newly three by one tapes will also compared to the other compared to the original metrics eight. So basicall ó of
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