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
Please answer D
Transcribed Image Text:5. Find the inverses of the following matrices A and use them to solve Ax = b:
3 7
5
(a) A
Sol'n,
2 5
6'
(c) A
123
389
"
b =
2
3
10 6
"
−1
3
b =
1
1
2
2
(b) A =
(d) A =
1
NIT
1
2
32
5 4
4 3
4 5
5
1
1 1
"
2
b=
b =
6
0
6
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