Dérivée Flashcards

1
Q

F(x)=k

A

F’(x)=0

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2
Q

F(x)=x

A

F’(x)=1

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3
Q

(C x f(x))’

A

C x F’(x)

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4
Q

(F(x) +- g(x))’

A

F’(x) +/- g’(x)

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5
Q

(F(x) x g’(x))

A

F’(x) x g(x) + f(x) x g’(x)

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6
Q

(F(x)/ g(x))’

A

F’(x) x g(x) - f(x) x g’(x)/ (g(x))^2

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7
Q

(X^n)’

A

N x X^n-1

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8
Q
Optimisation étapes 
A)
B)
C)
D)
E)
F)
G)
H)
A

A) représenter la situation
B) définir les variables
C)définir fonction a optimiser
D)déterminer la relation entre les variables
E)exprimer fonction a optimiser avec une seule variable
F)déterminer le domaine
G)déterminer le max ou le min ou les deux
(0

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9
Q
Analyse de fonction étapes 
A)
B)
C)
D)
E)
F)
A

A)déterminer le domaine de f
B)déterminer les ASYMPTOTES si il y en as
C)calculer f’(x) et nombre critique de f
D)calculer f’’(x) et nombre critique de f’(x)
E)construire tableaux de variation (f, f’ et f’’)
F)esquisse du graphique de f

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10
Q

H(x)= (f(x))^n

A

H’(x)=n x f’(x) x (f(x))^n-1

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11
Q

(FoG(x))’

A

(F(g(x)))’= F’(G(x)) x G’(x)

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12
Q

(E^f(x))’

A

F’(x) x e^f(x)

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13
Q

(B^f(x))’

A

Ln (b) x f’(x) x b^(x)

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14
Q

F(x)=ln x

A

F’(x)= 1/x

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15
Q

H(x)=ln f(x)

A

H’(x)= f’(x) / f(x)

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16
Q

H(x)= log a F(x)

A

H’(x)= f’(x) / ln a x f(x)

17
Q

(Log a X)’

A

1/ (ln a) x X

18
Q

(Tan (x))’

A

Sec^2 x

19
Q

(Sin (f(x)))’

A

F’(x) x cos (f(x))

20
Q

(Arc sin f(x))’

A

F’(x) / ¬1- f(x)^2

21
Q

(Arc cos x)’

A

-1 / ¬ 1-x^2

22
Q

(Arc tan F(x))’ Ou (Arc tan x)’

A

F’(x) / 1+ (f(x))^2 Ou 1 / 1 + x^2