यदि f:R to R,f(x)=(4^(x))/(4^(x)+2), तब...

यदि `f:R to R,f(x)=(4^(x))/(4^(x)+2)`, तब

A

`f(x)=f(1-x)`

B

`f(x)+f(1-x)=0`

C

`f(x)+f(1-x)=1`

D

`f(x)+f(x-1)=1`.

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The correct Answer is:

C

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