If 8/2 is rational and xy is irrational, then y is irrational.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.1: The Field Of Real Numbers
Problem 16E: Prove that if a is rational and b is irrational, then a+b is irrational.
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4. Prove the statement:
If
82
is rational and xy is irrational, then y is irrational.
Transcribed Image Text:4. Prove the statement: If 82 is rational and xy is irrational, then y is irrational.
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