Prove (1.83). det A-1 = detA

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Prove (1.83).

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Applied Linear Algebra

ISBN: 978-0131473829

1st edition

Authors: Peter J. Olver, Cheri Shakiban

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Question Posted: Jun 17, 2016 08:28 AM

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Prove (1.84). Use Exercise 1.6.28 in the regular case. Then extend to the nonsingular case. Finally, explain why the result also holds for singular matrices. det AT = det A. (1.84)
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Prove (1.83). det A-1 = detA

Question:

det A-1 = detA

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Applied Linear Algebra

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