1
WB JEE 2011
Subjective
+2
-0
Let R be the set of real numbers and f : R $$\to$$ R be such that for all x, y $$\in$$ R, $$|f(x) - f(y)| \le |x - y{|^3}$$. Prove that f is a constant function.
Questions Asked from Limits, Continuity and Differentiability (Subjective)
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