Revision Sup Flashcards

1
Q

(f-¹)’ = ?

A

1/(f’of-¹)

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2
Q

(gof)’

A

f’ (g’of)

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3
Q

f’ positive et s’annule un nb de fois fini

A

alors f strictement croissante

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4
Q

2 manières d’écrire Cauchy Schwartz

A

|Σxiyi| ≤ √( (Σxi²) (Σyi²) )
(Σxiyi)² ≤ (Σxi²) (Σyi²)

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5
Q

Inégalité triangulaire sous forme de sommes

A

√(Σ(xiyi)²) ≤ √(Σxi²) + √(Σyi²)

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6
Q

Th de caractérisation de la borne sup

A

b=sup(A) ssi
pour tout a∈A, a≤b
pour tout ε>0, il existe a∈A tel que b−ε≤ a ie il existe une suite (an)n d’éléments de A qui convergent vers b

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7
Q

Th de caractérisation de la borne sup

A

b=sup(A) ssi
pour tout a∈A, a≤b
pour tout ε>0, il existe a∈A tel que b−ε≤ a ie il existe une suite (an)n d’éléments de A qui convergent vers b

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8
Q

partie dense de R

A

Q,
D ={m/10ª, m∈Z, a∈N}
et R\Q

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9
Q

arcsin’ =

A

1/√(1-x²)

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10
Q

arccos’

A

-1/√(1-x²)

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11
Q

arcsin + arccos =

A

π/2

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12
Q

arctan’

A

1/1+x²

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13
Q

primitive lnx

A

xlnx-x

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14
Q

Re(zz’)
Im(zz’)

A

z × z’ = (aa−bb)+i(ab+ba)
Ainsi
Re(z × z’) = Re(z)×Re(z’ −Im(z)×Im(z’)

Im(z × z’) = Re(z)Im(z’)+Im(z)Re(z’)

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15
Q
A
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