2. Let f (a, b)→ R be a function and suppose there exists constants M > 0 and a > 1 such that |f(x) = f(y)| ≤ Mx - yª for all x, y € (a, b). Prove or disprove that f is a constant function.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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**Problem 2:**

Consider the function \( f : (a, b) \to \mathbb{R} \). Assume there exist constants \( M > 0 \) and \( \alpha > 1 \) such that:

\[ |f(x) - f(y)| \leq M |x - y|^\alpha \]

for all \( x, y \in (a, b) \). Your task is to prove or disprove that \( f \) is a constant function.
Transcribed Image Text:**Problem 2:** Consider the function \( f : (a, b) \to \mathbb{R} \). Assume there exist constants \( M > 0 \) and \( \alpha > 1 \) such that: \[ |f(x) - f(y)| \leq M |x - y|^\alpha \] for all \( x, y \in (a, b) \). Your task is to prove or disprove that \( f \) is a constant function.
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