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Q26Section II (Mathematics)26 of 180

Recovering ff from its values on a convergent sequence

Let ff be analytic on D={z∈C/∣z∣<3}D=\{z\in\mathbf C/|z|<3\} such that f ⁣(1+1n)=2n+1n+1,n=1,2,…f\!\left(1+\frac1n\right)=\dfrac{2n+1}{n+1}, n=1,2,\dots. Then f(z)=f(z)=

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