2017-15 Infinite product

For \( x \in (1, 2) \), prove that there exists a unique sequence of positive integers \( \{ x_i \} \) such that \( x_{i+1} \geq x_i^2 \) and
\[
x = \prod_{i=1}^{\infty} (1 + \frac{1}{x_i}).
\]

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2017-15 Infinite product, 4.1 out of 5 based on 19 ratings