# Irrational Roots of Integers

by A. Khazad (Western Michigan University) and Allen J. Schwenk (Western Michigan University)

This article originally appeared in:
College Mathematics Journal
January, 2005

Subject classification(s): Algebra and Number Theory | Number Theory | Irrational Numbers
Applicable Course(s): 4.3 Number Theory

Proof that the square root of a non-square integer is irrational, extended to $n$th roots.

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Capsule Course Topic(s):
Number Theory | Irrationality