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The f(x) is such that f(x+y) = f(x) + f...

The `f(x)` is such that ` f(x+y) = f(x) + f(y)`, for all reals x and `y xx` then `f(0)`=

A

1

B

0

C

`f(x), forall x`

D

-1

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The correct Answer is:
B
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