² + y² + z² x+y+z 7x+y+z > x*y³z² > x+y+z 3 7x+y+z
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:ILLUSTRATION 6.19
Prove that
x² + y² +2²
x+y+z
7x+y+z
=> [*
> xxyz? >
x+y+z
3
x+y+z
(x, y, z > 0)
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