(e) If x and y are rational numbers, where y +0 and y # -1, then 1+ is also rational. 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 23E
Question

Prove each of the following statements using a direct proof.

(e) If \( x \) and \( y \) are rational numbers, where \( y \neq 0 \) and \( y \neq -1 \), then 

\[
\frac{x}{1 + \frac{1}{y}}
\]

is also rational.
Transcribed Image Text:(e) If \( x \) and \( y \) are rational numbers, where \( y \neq 0 \) and \( y \neq -1 \), then \[ \frac{x}{1 + \frac{1}{y}} \] is also rational.
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