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Let f(x) = x((2^(x) -1)/(1-cosx)) for x ...

Let `f(x) = x((2^(x) -1)/(1-cosx))` for `x ne0`. What choice of f(0), if any, will make f continous at 0?

A

log 2

B

`1/2 log2`

C

`1/2log2`

D

2 log 2

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