Thursday, 22 November 2018

sequences and series - How to calculate Sn=sumni=1frac1i2

In math lesson, my teacher told me that Euler once used a very delicate method to calculate Sn=ni=11i2 and wrote a paper about it.



I wonder how to calculate this. I need a precise answer, not the answer that it's less than a number such as 2.

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real analysis - How to find limhrightarrow0fracsin(ha)h

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