Suites Flashcards

0
Q

Def par récurrence d’une suite numérique?

A

Un+1=f(Un)

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1
Q

Def explicite d’une suite numérique?

A

Un=f(n)

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2
Q

Formule suite arith. ?

A

Un+1=Un+r

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3
Q

Def explicite suite arithmétique?

A

U0+n X r

Up+(n-p) X r

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4
Q

Somme des termes consecutifs d’une suite arithmétique?

A

Nb de termes X 1er terme+dernier terme/2

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5
Q

Def suite géo?

A

Un+1=q(Un)

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6
Q

Formule explicite suite géo?

A

U0Xqn

UpXqn-p

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7
Q

Sommes des termes consécutifs d’une suite géo?

A

1er termesX 1-qn+1/1-q

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