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Question 14 Suppose that the matrix A has been transformed by some sequence of EROS to the matrix B, where B = 12 3 -2 1 3 1 7 12 (a) det A = 90 (e) none of the above . Choose the correct statement below. (b) det A-90 (c) A does not have to be invertible (d) The rank of A2B³ must be 3

Question 14 Suppose that the matrix A has been transformed by some sequence of EROS to the matrix B, where B = 12 3 -2 1 3 1 7 12 (a) det A = 90 (e) none of the above . Choose the correct statement below. (b) det A-90 (c) A does not have to be invertible (d) The rank of A2B³ must be 3

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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Question 14 Suppose that the matrix A has been transformed by some sequence of EROs to the matrix B, where B = 1 2 3 -2 1 3 1 7 12 (a) det A = 90 (e) none of the above Choose the correct statement below. (b) det A = -90 (c) A does not have to be invertible (d) The rank of A² B³ must be 3
Transcribed Image Text:Question 14 Suppose that the matrix A has been transformed by some sequence of EROs to the matrix B, where B = 1 2 3 -2 1 3 1 7 12 (a) det A = 90 (e) none of the above Choose the correct statement below. (b) det A = -90 (c) A does not have to be invertible (d) The rank of A² B³ must be 3
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