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Letf(x)=2^100x+1,g(x)=3^100x+1 Then the ...

Let`f(x)=2^100x+1,g(x)=3^100x+1`
Then the set of real numbers x such that `f(g(x))=x` is

A

empty

B

a singleton

C

a finite set with more than one element

D

infinite

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