Show that if A is invertible, then det A - 1 %3D 1 det A

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.5: Applications
Problem 30EQ
icon
Related questions
Question
100%

Linear Algebra.

1
- 1
Show that if A is invertible, then det A
det A
What theorem(s) should be used to examine the quantity det A
? Select all that apply.
A. If one row of a square matrix A is multiplied by k to produce B, then det B = k• (det A).
B. A square matrix A is invertible if and only if det A # 0.
C.
If A is an nx n matrix, then det A' = det A.
D. If A and B are nxn matrices, then det AB = (det A)(det B).
%3D
Transcribed Image Text:1 - 1 Show that if A is invertible, then det A det A What theorem(s) should be used to examine the quantity det A ? Select all that apply. A. If one row of a square matrix A is multiplied by k to produce B, then det B = k• (det A). B. A square matrix A is invertible if and only if det A # 0. C. If A is an nx n matrix, then det A' = det A. D. If A and B are nxn matrices, then det AB = (det A)(det B). %3D
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

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, algebra and related others by exploring similar questions and additional content below.
Recommended textbooks for you
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 & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,