求幂级数的收敛域及和函数,并求常数项级数的和.

求幂级数<img src='https://img2.soutiyun.com/ask/2020-12-11/976533602465549.png' />的收敛域及和函数,并求常数项级数<img src='https://img2.soutiyun.com/ask/2020-12-11/976533633968351.png' />的和.

时间:2024-01-29 15:47:44

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