Let ƒ: S→R be an uniformly continuous function. Finish the proof, Show limit lim_(x →b)ƒ(x) exists. Show that for ε > 0 there is a δ > 0.
Let ƒ: S→R be an uniformly continuous function. Finish the proof, Show limit lim_(x →b)ƒ(x) exists. Show that for ε > 0 there is a δ > 0.
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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Let ƒ: S→R be an uniformly continuous function. Finish the proof, Show limit lim_(x →b)ƒ(x) exists. Show that for ε > 0 there is a δ > 0.
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Ans : f : (a, b) to R be uniformly continews function show that lim(x tend b) f(x) exist
Function f is uniformly continews if for each e>0 there exist d>0 such that
| f(x) - f(y) |<e whenever |x-y|<d
Chose x, y such that |x-b|<d/2, |y-b|<d/2
|x-y| <|x-a|+|y-a| <d/2+d/2 =d
So |f(x) - f(y) | <e by definition
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