Problem 722
Slowly converging series
For a non-negative integer
where
It can be shown that, for every
For example,
All the above values are given in scientific notation rounded to twelve digits after the decimal point.
Find the value of
Give the answer in scientific notation rounded to twelve digits after the decimal point.
缓慢收敛级数
对于非负整数
其中
可以证明,对于所有
例如,
上述取值均以科学计数法表示并保留小数点后十二位。
求
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