A is a nxn real matrix, check if A is invertible in each following case, prove it;
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A is a nxn real matrix, check if A is invertible in each following case, prove it;
1. (A^t)=-A.
2.(A^t)=(A^-1).
3.A^3=(-A^t)^5 : in these 2 cases:
a. A is a real matrix of 3x3, Or 4x4
b. A is complex matrix of 3x3.
Related Book For
College Mathematics for Business Economics Life Sciences and Social Sciences
ISBN: 978-0321614001
12th edition
Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen
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