Prove that for all positive real a we have 22 +5 20x4 2 4/5. 24 x2 +5

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Q3
Prove that for all positive real x we have
22 +5
20x4
> 4/5.
r4
x2 +5
(HINT: Use AGM.)
Transcribed Image Text:Prove that for all positive real x we have 22 +5 20x4 > 4/5. r4 x2 +5 (HINT: Use AGM.)
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