Let R be the set of all real numbers. Let f : R\toR be a function such that |f(x)-f(y)|^2 \leq |x-y| ^ 3 , \forall x , y ∊ R . Then f'(x)=

KEAM 2014 Math Paper

Question : 25 of 120

Marks: +1, -0

Let R be the set of all real numbers. Let f:R→R be a function such that
|f(x)−f(y)|2≤|x−y|3, ∀x,y∊R. Then f′(x)=

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