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21. If X, Z are 3 x 3 matrices, det(X) = -3 and det(Z) = -5 what 0 -3 XZ. 1 - is the determinant of 1 а) -15 b) –5 c) -3 d) 5 e) 15

21. If X, Z are 3 x 3 matrices, det(X) = -3 and det(Z) = -5 what 0 -3 XZ. 1 - is the determinant of 1 а) -15 b) –5 c) -3 d) 5 e) 15

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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21. If X, Z are 3 x 3 matrices, det(X)= -3 and det(Z) = -5 what 1 is the determinant of 1 XZ. 1 а) -15 b) -5 c) -3 d) 5 e) 15
Transcribed Image Text:21. If X, Z are 3 x 3 matrices, det(X)= -3 and det(Z) = -5 what 1 is the determinant of 1 XZ. 1 а) -15 b) -5 c) -3 d) 5 e) 15
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