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5 Exercise 5 Let a be an irrational real number. Using proof-by-contradiction, show that a + 2 is an irrational number.

5 Exercise 5 Let a be an irrational real number. Using proof-by-contradiction, show that a + 2 is an irrational number.

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.2: Real Numbers
Problem 1E: Give an example of each of the following: (a) A natural number (b) An integer that is not a natural...
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5 Exercise 5 Let a be an irrational real number. Using proof-by-contradiction, show that a + 2 is an irrational number.
Transcribed Image Text:5 Exercise 5 Let a be an irrational real number. Using proof-by-contradiction, show that a + 2 is an irrational number.
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