If f(x)=(1)/(x^(2)+4x+4)-(4)/(x^(4)+4x^(...

If `f(x)=(1)/(x^(2)+4x+4)-(4)/(x^(4)+4x^(3)+4x^(2))+(4)/(x^(3)+2x^(2))` the f`(1/2)` is equal to

A

1

B

2

C

`-1`

D

4

Verified by Experts

The correct Answer is:

D

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