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,...
Related questions
Question
![Show that B is the inverse of A.
= [₁53], B = [₁
A =
AB =
- [124 3 ][ - 23
-14
To show that B is the inverse of A, we need to show that AB = I = BA.
15+
-5 +
-14 +
BA =
3
-14
-3].
=
5
3 -1
5
[][]
14
5
14 3
3]
=
42 +
15+
-70 +
3+
-14 +
=
=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49fc9150-beaf-45e4-baaa-0400360f6271%2F436501dc-ad19-427b-8ab2-12cc9c1c2fee%2Fuzlo56l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Show that B is the inverse of A.
= [₁53], B = [₁
A =
AB =
- [124 3 ][ - 23
-14
To show that B is the inverse of A, we need to show that AB = I = BA.
15+
-5 +
-14 +
BA =
3
-14
-3].
=
5
3 -1
5
[][]
14
5
14 3
3]
=
42 +
15+
-70 +
3+
-14 +
=
=
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