Forum Studenti •serie 4

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Forum Studenti •serie 4

Pagina 1 di 1

serie 4

Inviato: giovedì 6 gennaio 2011, 19:02

da E.V.

la serie cosn!/n^2 la confronto con assoluta convergenza 0<=|cosn!|/n^2<=1/n^2 o sto sbagliando????? :?:

Inviato: giovedì 6 gennaio 2011, 19:27

da CoTareg

Secondo me va benissimo...

Inviato: venerdì 7 gennaio 2011, 8:58

da E.V.

grz

Inviato: venerdì 7 gennaio 2011, 10:12

da E.V.

la serie (-1)^n/n^2+4nsinn! la devo spezzare o considerarla cm la serie di (-1)^/n^2 k per leibnitz converge??

Re: serie 4

Inviato: venerdì 14 settembre 2012, 9:50

da Noisemaker

Re: serie 4

Inviato: sabato 22 settembre 2012, 17:00

da Massimo Gobbino

Il primo va bene, il secondo formalmente no. Alla terza riga del secondo esercizio hai maggiorato la serie dei valori assoluti con una serie che poi hai dimostrato correttamente essere convergente. Ma dal fatto che sia maggiore di una serie convergente non puoi dedurre nulla.