Équivalent usuels Flashcards

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1
Q

exp(Un) - 1

A

Un

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2
Q

(1+Un)**a - 1

A

a*Un

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3
Q

cos(Un) - 1

A

-(Un**2)/2

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4
Q

ln(1 + Un)

A

Un

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5
Q

si lim Vn = 1 alors ln(Vn) ~ …

A

Vn - 1

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6
Q

Un

A

exp(Un) - 1 / ln(1 + Un) / sin / tan / arcsin / arctan / sh

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7
Q

a*Un

A

(1+Un)**a - 1

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8
Q

-(Un**2)/2

A

cos(Un) - 1

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9
Q

…~ Vn - 1

A

si lim Vn = 1 alors ln(Vn)

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10
Q

Un ~ Vn peut s’écrire

A

Un = (1+En)*Vn où En suite de limite nulle

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11
Q

si Un ~ Vn alors

A

Un ET Vn NON-NULS apcr

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12
Q

Un ~ Vn ne signifie PAS

A

lim(Un-Vn) = 0

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