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Problem 5 Let A = {m+n√2: m, n e Z}. Prove A is countable.

Problem 5 Let A = {m+n√2: m, n e Z}. Prove A is countable.

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.2: Matrix Algebra
Problem 21EQ: Prove the half of Theorem 3.3 (e) that was not proved in the text.
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Problem 5 Let A = {m+n√2: m, n e Z). Prove A is countable.
Transcribed Image Text:Problem 5 Let A = {m+n√2: m, n e Z). Prove A is countable.
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