dérivés usuelles Flashcards

1
Q

e^x

A

sur R, e^x sur R

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2
Q

ln(x)

A

sur ]0;+oo[, 1/x, sur ]0;+oo[

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3
Q

cos(x)

A

sur R, -sin(x), sur R

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4
Q

sin(x)

A

sur R, cos(x), sur R

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5
Q

tan(x)

A

sur ]-pi/2 + kpi ; pi/2 +kpi [, 1+tan²x ou 1/cos²(x) sur le même

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6
Q

x^n (n € N)

A

sur R, n*x^n-1, sur R

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7
Q

racine de x

A

[0;+oo[ , 1/2racine de x ; ]0;+oo[

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8
Q

x^(1/n) avec n>=2

A

[0;+oo[, (1/n)*x^(1/n -1) sur ]0;+oo[

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9
Q

x^a (a dans R) = e^aln(x)

A

]0;+oo[, a*x^(a-1) sur ]0;+oo[

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10
Q

arctan(x)

A

sur R, 1/(1+x²) , sur R

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11
Q

1/x^n = x^-n (n dans N)

A

sur R* , -nx^-n-1, sur R

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12
Q

a^x (a *+) = e^xln(a)

A

sur R, ln(a)*a^x , sur R

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13
Q

e^u

A

u’*e^u

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14
Q

ln(u)

A

u’/u

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15
Q

cos(u)

A

-u’*sin(u)

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16
Q

sin(u)

A

u’*cos(u)

17
Q

tan(u) (2posibilités)

A

u’*(1+tan²u)

u’/(cos²(u))

18
Q

u^n

A

u’nu^n-1

19
Q

racine de u

A

u’/2racine de u

20
Q

arctan(u)

A

u’ / 1+u²