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suites généralités 1spé (1)

Authored by Hélène Duquesne

Mathematics

11th Grade

Used 21+ times

suites généralités 1spé (1)
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Soient \left(u_n\right) et  \left(v_n\right)  deux suites définies, pour tout entier  n   par  u_n=n²  et  v0=2; vn+1=3vnv_0=2;\ v_{n+1}=3v_n   


La suite définie par récurrence est la suite 

 (un)\left(u_n\right)  

 (vn)\left(v_n\right)  

ni l'une ni l'autre

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Le terme initial de la suite  (un) \left(u_n\right)\  vaut :


0

1

2

3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Le troisième terme de la suite (vn)\left(v_n\right) est: 

 v3v_3  

9

18

4

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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 un+1=u_{n+1}=  

 n²+1n²+1  

 (n+1)²\left(n+1\right)²  

 un+1u_n+1  

1

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Laquelle (ou lesquelles) de ces affirmations est (sont) juste(s) ?

 vn1=3vnv_{n-1}=3v_n  

 v12=3v11v_{12}=3v_{11}  

 vn=3vn1v_n=3v_{n-1}  

 vn5=3vn6v_{n-5}=3v_{n-6}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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