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Limita de sir integral cu radicali

Posted: Tue Dec 04, 2007 7:56 am
by Cezar Lupu
Sa se arate ca

\( \lim_{n\to\infty} n^{2}\left(\int_0^1\sqrt[n]{1+x^{n}}dx-1\right)=\frac{\pi^2}{12}. \)

Vojtech Jarnik, 2002, Categoria II