3. For a linear system Ax = b the rowechelon form of the augmented matrix isgiven as:By the backward substitution, we can getthe values of the unknowns of the systemas:a) x =b) y =1 2 2 -80 1 3 20012c) z =

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3. For a linear system Ax = b the row echelon form of the augmented matrix is given as: a) x = b) y = 1 0 0 By the backward substitution, we can get the values of the unknowns of the system as: c) z = 22 1 3 01 -8 2 2

3. For a linear system Ax = b the row echelon form of the augmented matrix is given as: a) x = b) y = 1 0 0 By the backward substitution, we can get the values of the unknowns of the system as: c) z = 22 1 3 01 -8 2 2

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 38EQ

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Question

3. For a linear system Ax = b the row
echelon form of the augmented matrix is
given as:
By the backward substitution, we can get
the values of the unknowns of the system
as:
a) x =
b) y =
1 2 2 -8
0 1 3 2
0
0
1
2
c) z =

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