Let A be an n n matrix. Prove that if Ax = x for all n

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Let A be an n × n matrix. Prove that if Ax = x for all n × 1 matrices x, then A = In.

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Elementary Linear Algebra with Applications

ISBN: 978-0132296540

9th edition

Authors: Bernard Kolman, David Hill

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Question Posted: Jun 21, 2016 06:58 AM

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Let A be an n n matrix. Prove that if Ax = x for all n

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Elementary Linear Algebra with Applications

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