Séries Numériques Flashcards by Julie Barrio | Brainscape

Q

Si |a| < 1 , Σ(n=0..infini) a^n =

A

1/(1-a)

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Q

Si la série Σu(n) converge alors la suite (u(n)) :

A

converge vers 0

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Q

Si (u(n)) ne tend pas vers 0, Σu(n) :

A

diverge grossièrement.

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