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Let `f(x)` be real valued differentiable function not identically zero such that `f(x+y^(2n+1)=f(x)+{f(y)}^(2n+1),nin Nandx,y` are any real numbers and `f'(0)le0.` Find the values of `f(5) andf'(10)`

A

0

B

1

C

-1

D

None of these

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B
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