(b) Show that (АВ) -1 — в-1А-1. (АB) -1 B-A-1

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
Let
2 -4
-3
A =
and B =
-4
9
2 -1
Transcribed Image Text:Let 2 -4 -3 A = and B = -4 9 2 -1
(b) Show that (АВ) -1 — в-1А-1.
(АВ) -1
B-A-1
Transcribed Image Text:(b) Show that (АВ) -1 — в-1А-1. (АВ) -1 B-A-1
Expert Solution
Step

In this question we have to prove AB-1=B-1A-1.

we know,X-1=1Xadj.A

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