Sum from 1 to infinity of 1/(k^2+1)
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18:35
The Basel Problem
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5:50:23
100 integrals (world record?)
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24:15
An Infinite Sum from the Berkeley Math Tournament
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18:08
a super nice functional equation
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12:28
A surprisingly wonderful infinite series result
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23:39
Le coup divin de Bobby Fischer fait s'effondrer le monde entier des échecs ! | « Le jeu du siècle »
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21:01
Blanche Gardin a Osé Critiquer Israël dans un Sketch !
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7:59