确定下列幂级数的收敛域,并求其和函数:

<img src='https://img2.soutiyun.com/ask/2021-01-05/978723648645819.png' /> <img src='https://img2.soutiyun.com/ask/2021-01-05/978723658290371.png' />

时间:2023-07-02 14:59:33

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