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SUJET DE MATHÉMATIQUES - Concours Geipi Polytech

SUJET DE MATHÉMATIQUES - Concours Geipi Polytech

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REPONSES A L’EXERCICE IV<br />

IV-1-a-<br />

(u n ) n∈N<br />

est décroissante car<br />

IV-1-b- Pour tout n ∈ N, 0 < u n ≤ 1 car<br />

IV-2- t 0 +∞<br />

|<br />

Signe de h(t) |<br />

IV-3-a- g ′ (t) =<br />

IV-3-b- H(t) = car<br />

IV-4-a- Pour tout n ∈ N, v n ≥ 0 car<br />

IV-4-b- v n =<br />

IV-4-c-<br />

lim v n =<br />

n→+∞<br />

IV-5-a- S n =<br />

IV-5-b-<br />

lim S n =<br />

n→+∞<br />

ENI-GEIPI-POLYTECH 2010<br />

MATHEMATIQUES<br />

9/9

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