Let R be the set of all real numbers. If...

Let R be the set of all real numbers. If , `f : R to R` be a function such that `|f (x) - f (y) | ^(2) le | x -y| ^(3), AA x, y in R,` then f'(x) is equal to
a)f (x) b)1 c)0 d)`x ^(2)`

A

f (x)

B

1

C

0

D

`x ^(2)`

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The correct Answer is:

C

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