(a) A is a 4 x4 matrix and 5(A + I) = I. Enter det (A + I). (b) A is a 2 x2 matrix and 5 A +3I = 0. Enter det (A + I). (c) A is a 3 x3 matrix and A² - 10 A+ 16 I = 0. If det (A-51)>0, enter det (A - 5I).

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter7: Systems Of Equations And Inequalities
Section7.7: Solving Systems With Inverses
Problem 3SE: Can you explain whether a 2×2 matrix with an entire row of zeros can have an inverse?
icon
Related questions
Question
100%

Hi, I would like to have the answers to the following questions. Please write down detailed explanation for me.

(a) A is a 4 x4 matrix and 5(A + I) = I. Enter det (A + I).
(b) A is a 2 x2 matrix and 5 A + 3 I = 0. Enter det (A + I).
(c) A is a 3 x3 matrix and A² - 10 A + 16 I = 0. If det (A - 5I)> 0, enter det (A - 5I).
Transcribed Image Text:(a) A is a 4 x4 matrix and 5(A + I) = I. Enter det (A + I). (b) A is a 2 x2 matrix and 5 A + 3 I = 0. Enter det (A + I). (c) A is a 3 x3 matrix and A² - 10 A + 16 I = 0. If det (A - 5I)> 0, enter det (A - 5I).
Expert Solution
steps

Step by step

Solved in 5 steps with 4 images

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9780998625720
Author:
Lynn Marecek
Publisher:
OpenStax College