(a) Give an example to show that if A and B are symmetric n n matrices,...

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(a) Give an example to show that if A and B are symmetric n × n matrices, then AB need not be symmetric.
(b) Prove that if A and B are symmetric n × n matrices, then AB is symmetric if and only if AB = BA.

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Linear Algebra A Modern Introduction

ISBN: 978-1285463247

4th edition

Authors: David Poole

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Question Posted: Apr 15, 2016 06:04 AM

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(a) Give an example to show that if A and B are symmetric n n matrices,...

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a For example let n 2 with And Then both A and B are symmetric Which i...View the full answer

Linear Algebra A Modern Introduction

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