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[数列] 圆周率

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nttz Post time 2023-11-30 16:40 |Read mode

如何证明两个数列的极限是pi，首先要看数列为啥有界？为啥单调？数列的递推公式如何推导的？为啥两个数列的极限相同？
图一是一般情况，图二是数列的特殊情况，哪怕推导下图二也好的

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2025-3-6 17:10 GMT+8

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