Matrix Operations2 -1 33-1and B =2If A =find:12-16. 3A – 2B8. -5 (A + 2B)7. A+2(B – A)

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Answered: Matrix Operations 2 -1 3 3 If A = and B…

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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The matrix B is the result of performing a single row operation on the matrix A shown below. Identify the row operation. A= -1 3 4-4 - 12 B. Choose the correct answer below. OA. -4R₂ R₂ 1 -R₂ R₂ B= OC. 4R₁ + R₂ R₂ OD. -4R₁ + R₂ R₂ -13 7 0 8 16 ****
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Perform the row operation indicated beside the matrix. 0 2 -3 5 2 -1 -3 R₁ R3 2-1 0 1 Upload a picture/scan of your solution. You must show all work and use correct notation in order to receive full credit. Please be sure that your solution is legible. When uploading an image, be sure to follow the guidelines for Uploading Images in Math 123.
Question 16 Suppose that you have downloaded data on the daily share prices for a company for the period from the start of 2020 to the end of 2020 from the website of Yahoo Finance UK. You have also calculated the daily rates of return for the company's shares as (closing price - opening price)/opening price. By using the knowledge that you have gained from descriptive statistics, how can you obtain useful information about the company's share performance in terms of risk and return using a range of alternative indicators? Note that you should give necessary formulas for the technical concepts wherever they may apply.
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Write the augmented matrix of the system. 20x – 16y + 10z -9 5л + 6у — 22 - 7 12x 1ly – 20z 7
et △ABC be a triangle in S^2 (the two-dimensional sphere). Let the dual point C'∈S^2 of C be defined by the following three conditions:(i) d(C' , A)=π/2(ii) d(C' , B)=π/2(iii) d(C' , C)≤π/2A' and B' are defined analogously. Thus we get a dual triangle △A' B' C'. More precisely, △ABC is a non-degenerate triangle, andit follows (you may assume) that △A' B' C' is too.(question) Are there triangles △ABC in S^2 identical to their own dual △A'B'C'? I would be very thankful if you could provide some explanation with the steps, thank you in advance.

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Matrix Operations 2 -1 3 3 If A = and B = 2 find: 1 -1 6. 3A – 2B 8. -5 (A + 2B) A120D