8. Given the matrix B= 1 1 1 111 Which of the following matrices solves X in the matrix equation X + I3 = 2(X-B)? (233) (a) 3 2 3 3 3 2 (322) (b) 2 3 2 2 2 3 (122) (c) 2 1 2 221 2 1 1 (d) 1 2 1 112

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
7. Let A be a matrix with a row consisting of all zeroes. If B is a matrix such that AB is defined,
which of the following is always true?
8. Given the matrix B = 1 1
11
Which of the following
(233)
(a) 3 2 3
332
matrices solves X in the matrix equation X+13= 2(X - B)?
(211)
(d) 1 2 1
112
(322)
(b) 2 3 2
2 2 3
(122)
(c) 2 1 2
2 2 1
Transcribed Image Text:7. Let A be a matrix with a row consisting of all zeroes. If B is a matrix such that AB is defined, which of the following is always true? 8. Given the matrix B = 1 1 11 Which of the following (233) (a) 3 2 3 332 matrices solves X in the matrix equation X+13= 2(X - B)? (211) (d) 1 2 1 112 (322) (b) 2 3 2 2 2 3 (122) (c) 2 1 2 2 2 1
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