fonctions Flashcards

(14 cards)

1
Q

K/infini

A

0

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2
Q

K/0

A

infini

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3
Q

infini-infini

A

terme de plus haut degré

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4
Q

infini/infini

A

quotient plus haut degré

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5
Q

0/0

A

factoriser x-a avec a =x1
> polynome identification (x-a)(ax+b)
> ou (x-a)(x-x2)

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6
Q

0/0 avec racine

A

qté conjuguée factorie (va-b) <=> va+b donc a²-b²

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7
Q

0*infini

A

TCC ex>xn>lnx > se comporte comme dominant

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8
Q

asymptotes

A

y=b alors horizontale
x=a verticale
lim+-infini fx-ax+b=0 > y=ax+b oblique

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9
Q

coninuite

A

limxo-=limxo+=fxo (affine, polynome, carre, inverse, ln et e)

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10
Q

prolongement par continuite en 1 point

A

limxo=l (xo hors IR)

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11
Q

dérivalibilé

A

-continue
- limxo-(fx-fxo/x-xo)=limxo+=f’xo

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12
Q

developpemnt li:mite

A

fx=fxo+f’xox-xo+f’‘xo(x-xo)²/2!

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13
Q

tvi

A

f cotinue sur a;b k appartient fa;fb alors fx=k solution dans a;b
- corrolaire : stct monnotone alors ! sol

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14
Q

bijection

A

f continue et stct monotone sur I alors f bijection de i sur J et application reciproque f-1 avec f-1°f=Id
J=fi-;fi+

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