MathDB
J 8

Source:

May 25, 2007
logarithmsDivisor Functions

Problem Statement

Prove that for any δ∈[0,1] \delta\in[0,1] and any ε>0 \varepsilon>0, there is an n∈N n\in\mathbb{N} such that ∣ϕ(n)n−δ∣<ε \left |\frac{\phi (n)}{n}-\delta\right| <\varepsilon.
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