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
Need help please with #3
![O File
/home/chronos/u-42c7373e4357ee526bed2268ecc2b0b8f...
Q ☆
that is, by
CA
x1(1) 2c1e + 2cze3 + 2c3e5t + 31,
x2(t) = 2c1e'
x3(1) = cje- cze + cze5t + 21.
- 2cze5t + 5,
|
5.1 Problems
1. Let
4. Let A and B be the matrices given in Problem 3 and let
A = [;]
2.
and
12
and y =
4.
1.
21
sin
Find (a) 2A + 3B; (b) ЗА - 2B; (с) АB; (d) BА.
2. Verify that (a) A(BC) = (AB)C and that (b) A(B+C) =
AB+ AC, where A and B are the matrices given in Prob-
lem 1 and
Cos/
Find Ay and Bx. Are the products Ax and By defined?
Explain your answer.
0.
2.
5. Let
C
3.
3.
2.
0-3
2.
3. Find AB and BA given
A =
0.
4.
and B =
4.
-3
-5
2.
7
2
.
5.
5 -1
2
0.
Find (a) 7A + 4B; (b) 3A -5B; (c) AB; (d) BA;
(e) A -tI.
and B =
-4
5
2
280
Chapter 5 Linear Systems of Differential Equations
-73](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F03106fa3-330c-422f-ad56-a6718a5c3a13%2F6618fc1a-bc42-4cfd-acb2-24abcba225e8%2Fba5p7f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:O File
/home/chronos/u-42c7373e4357ee526bed2268ecc2b0b8f...
Q ☆
that is, by
CA
x1(1) 2c1e + 2cze3 + 2c3e5t + 31,
x2(t) = 2c1e'
x3(1) = cje- cze + cze5t + 21.
- 2cze5t + 5,
|
5.1 Problems
1. Let
4. Let A and B be the matrices given in Problem 3 and let
A = [;]
2.
and
12
and y =
4.
1.
21
sin
Find (a) 2A + 3B; (b) ЗА - 2B; (с) АB; (d) BА.
2. Verify that (a) A(BC) = (AB)C and that (b) A(B+C) =
AB+ AC, where A and B are the matrices given in Prob-
lem 1 and
Cos/
Find Ay and Bx. Are the products Ax and By defined?
Explain your answer.
0.
2.
5. Let
C
3.
3.
2.
0-3
2.
3. Find AB and BA given
A =
0.
4.
and B =
4.
-3
-5
2.
7
2
.
5.
5 -1
2
0.
Find (a) 7A + 4B; (b) 3A -5B; (c) AB; (d) BA;
(e) A -tI.
and B =
-4
5
2
280
Chapter 5 Linear Systems of Differential Equations
-73
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