最終更新日:2022/12/24
{{usex|en|In 1734, Leonhard Euler solved the Basel problem by summing the infinite series 1/(1²)+1/(2²)+1/(3²)+⋯=∑ₙ₌₁ ᪲1/(n²)=(𝜋²)/6.}}
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{{usex|en|In 1734, Leonhard Euler solved the Basel problem by summing the infinite series 1/(1²)+1/(2²)+1/(3²)+⋯=∑ₙ₌₁ ᪲1/(n²)=(𝜋²)/6.}}