Wednesday, February 20, 2019

sequences and series - Different methods to compute sumlimitsik=1nftyfrac1k2 (Basel problem)

As I have heard people did not trust Euler when he first discovered the formula (solution of the Basel problem) ζ(2)=k=11k2=π26. However, Euler was Euler and he gave other proofs.


I believe many of you know some nice proofs of this, can you please share it with us?

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analysis - Injection, making bijection

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