Prove that f is a constant function

Mathematics
Tutor: None Selected Time limit: 1 Day

Dec 3rd, 2014

|f(x)-f(y)|/|x-y| = |[f(x)-f(y)]/(x-y)| 

lim x-->y |f(x)-f(y)|/|x-y| = |f'(x)|<=lim x-->y M|x-y|^(a-1)  = 0 

f'(x) = 0 

f(x) is a constant 

Jun 12th, 2015

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Dec 3rd, 2014
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Dec 3rd, 2014
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