Radius of convergence

User Generated

punax3693

Mathematics

Description

radius of convergence of (1−x)e^x

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Explanation & Answer

...........................................................................................................................................................\sum_{i=1}^\infty a_i z^i \text{ where } a_i = \frac{(-1)^{n-1}}{2^nn}\text{ for }n=\lfloor\log_2(i)\rfloor+1\text{, the unique integer with }2^{n-1}\le i < 2^n,


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