Let a A = |d e ghi Assuming that det(A) = -7, find (a) det(3A) (b) det(A) (c) det(2A-) -- a (d) det((2A)) (e) det b he ci f

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 53RE
icon
Related questions
Question

Plz solve this questions with steps 

Q2.
Let
a b
A = d e
f
ghi
Assuming that det(A) = -7, find
(a) det(3A)
(b) det(A)
(c) det(2A)
a
(d) det((2A) )
(e) det b he
03. Decide whether the matrix is invertible, and if so, use the adjoint method to find
its inverse
2
5
2
3
A =
-1
-1
A =
3
2
4
-2
-4
3.
2.
Transcribed Image Text:Q2. Let a b A = d e f ghi Assuming that det(A) = -7, find (a) det(3A) (b) det(A) (c) det(2A) a (d) det((2A) ) (e) det b he 03. Decide whether the matrix is invertible, and if so, use the adjoint method to find its inverse 2 5 2 3 A = -1 -1 A = 3 2 4 -2 -4 3. 2.
Expert Solution
steps

Step by step

Solved in 6 steps with 6 images

Blurred answer
Knowledge Booster
Linear Equations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning