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If f(x)=sin^(-1)[2^(x+1)/(1+4^(x))]," th...

If `f(x)=sin^(-1)[2^(x+1)/(1+4^(x))]," then "f^(1)(0)=`

A

`(2log2)/5`

B

`2log2`

C

`(4log2)/5`

D

`log2`

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