Need help trying to find the det(2A) of this matrix algebra question. If A and B are 2 x 2 matrices, det(A) = −1, det(B)= 6det (AB)det (2A)= -8det (AT) = -1det (B-¹) ==det (B²) = 361/-6=-6, then

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Answered: If A and B are 2 x 2 matrices, det(A) =…

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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If A and B are 2 x 2 matrices, det(A) = −1, det(B) = 6 det (AB) det (2A) = -8 det (AT) = -1 det (B-¹) = = det (B²) = 36 1/-6 = -6, then