Let A = X= 5 -7 -3 -5 and B = 7 5 2-3 7-6 -7 -4 Solve the matrix equation 3X + 3A = B for X. (Type an integer or simplified fraction for each matrix element.)
Let A = X= 5 -7 -3 -5 and B = 7 5 2-3 7-6 -7 -4 Solve the matrix equation 3X + 3A = B for X. (Type an integer or simplified fraction for each matrix element.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Question 1 & 2 is attachment image
Transcribed Image Text:5-7
2 - 3
A-#
-3 -5 and B =
7 5
-7 -4
Let A =
X =
Solve the matrix equation 3X + 3A = B for X.
(Type an integer or simplified fraction for each matrix element.)
Transcribed Image Text:Find the following matrices where A =
a. A + B
b. A-B
5
7
1
6
-5
0
c. - 2A
and B =
-6
4
3 - 3
0 1
d. - 9A + 9B
a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. -9A + 9B = (Simplify your answer.)
B. This matrix operation is not possible.
OA. A+B= (Simplify your answer.)
B. This matrix operation is not possible.
b. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. A-B= (Simplify your answer.)
B. This matrix operation is not possible.
c. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. -2A= (Simplify your answer.)
OB. This matrix operation is not possible.
d. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
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Follow-up Question
There are two questions (in image), you worked on question 1. So, you said x=-1336 but also you had three other numbers afterward.
Is it x=-1336 or 1633 or -283-193
Solution
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