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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
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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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: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.)
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.
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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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

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