Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Assume that E, F CR are nonempty bounded sets such that inf E > 0 and inf F > 0, and define { E : x E E, y E F 2y 2F E Find an expression for sup in terms of inf E, sup E, inf F, sup F and prove it. 2F
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Transcribed Image Text:Assume that E, F CR are nonempty bounded sets such that inf E > 0 and inf F > 0, and define { E : x E E, y E F 2y 2F E Find an expression for sup in terms of inf E, sup E, inf F, sup F and prove it. 2F
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