(b) Consider the degree n version of the AM/GM inequality, which states for positive real numbers x₁,x2,...,xn that x₁ + x₂ + + xn n ... >√√xx₂xn (i) Fove that if the AM/GM inequality is true for n=k, then it will be true for n = 2k. (ii) Prove that if the AM/GM inequality is true for n=k, then it will be true for n = k-1 (iii) Hence explain why the AM/GM inequality is true for all positive integers n.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 80E
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(b) Consider the degree n version of the AM/GM inequality, which states for positive real
numbers x1, X2, .., Xn that
X1 + X2 + •…·+ xn
Mx1x2 • Xn
n
(i) F ve that if the AM/GM inequality is true for n = k, then it will be true for n = 2k.
(ii) Prove that if the AM/GM inequality is true for n = k, then it will be true for n = k -1.
(iii) Hence explain why the AM/GM inequality is true for all positive integers n.
Transcribed Image Text:(b) Consider the degree n version of the AM/GM inequality, which states for positive real numbers x1, X2, .., Xn that X1 + X2 + •…·+ xn Mx1x2 • Xn n (i) F ve that if the AM/GM inequality is true for n = k, then it will be true for n = 2k. (ii) Prove that if the AM/GM inequality is true for n = k, then it will be true for n = k -1. (iii) Hence explain why the AM/GM inequality is true for all positive integers n.
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