5. The elementary row operation E52(-3) was applied to a matrix A obtaining a matrix B. Which elementary row operation must be applied to B to get back A? (a) E25 (3) (b) E25(-3) (c) Es2(3) (d) Es2(-3) 6. The linear system below has infinitely many solutions. x1 – 2x2 + x3 – x4 = 2 X1 + x2 + x3 – X4 = 2 X1 + x3 – x4 = 2 How many free variables does it have? (a) 1 (b) 2 (c) 3 (d) 4
5. The elementary row operation E52(-3) was applied to a matrix A obtaining a matrix B. Which elementary row operation must be applied to B to get back A? (a) E25 (3) (b) E25(-3) (c) Es2(3) (d) Es2(-3) 6. The linear system below has infinitely many solutions. x1 – 2x2 + x3 – x4 = 2 X1 + x2 + x3 – X4 = 2 X1 + x3 – x4 = 2 How many free variables does it have? (a) 1 (b) 2 (c) 3 (d) 4
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 22EQ: Consider the matrix A=[2314]. Show that any of the three types of elementary row operations can be...
Related questions
Question
answer it asap and correctly
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning