Prove or disprove that there is a rational number x and an irrational number y such that

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Prove or disprove that there is a rational number x and an irrational number y such that xy is irrational.

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 02, 2016 12:14 PM

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Prove or disprove that there is a rational number x and an irrational number y such that

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One way to solve this is the following nonconstructive proof Let ...View the full answer

Discrete Mathematics and Its Applications

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