21 If A and B are any sets in M, show that AUB AUB and AB CANB Give an example showing that this last inclusion can be proper 21 If A and B are any sets in M, show that AUB AUB and AB CANB Give an example showing that this last inclusion can be proper ...

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21. If A and B are any sets in M, show that AUB = AUB and...

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Linear Algebra with Applications

ISBN: 978-0131857858

7th edition

Authors: Steven J. Leon

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21. If A and B are any sets in M, show that AUB = AUB and...

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21. If A and B are any sets in M, show that AUB = AUB and AB CANB. Give an example showing that this last inclusion can be proper. 21. If A and B are any sets in M, show that AUB = AUB and AB CANB. Give an example showing that this last inclusion can be proper.

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Linear Algebra with Applications

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