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Inéquation nul

TD : Inéquation nul. Rechercher de 54 000+ Dissertation Gratuites et Mémoires

Par   •  17 Mars 2025  •  TD  •  481 Mots (2 Pages)  •  18 Vues

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Chapitre : inéquation nul

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X

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2

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Signe de 2x+1

-

-         0

+

+

Signe de x-2

-

-

-

0+

Signe de

+

-

+

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X

Signe de x

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 [pic 30]

X

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[pic 32]

Signe de -2x+1

+[pic 33]

-[pic 34][pic 35][pic 36]

-[pic 37]

Signe de -x+4

+

+

-

Signe de [pic 38]

+

-

+

2)  [pic 39]

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                               [pic 42]

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-

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Donc  

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3)  

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                               [pic 52]

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+[pic 56]

-

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-

+[pic 58][pic 59]

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X

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Signe de 2x+1

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+[pic 70][pic 71][pic 72]

+

Signe de 4x+1

-

-

+

Signe de [pic 73]

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+[pic 76]

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  1.  

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[pic 80]

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X

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Signe de 3x+2

-[pic 85]

-[pic 86][pic 87]

+

Signe de -9x-3

+

-

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Signe de [pic 89]

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                               [pic 113]

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  1.  

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X

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[pic 126]

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X

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Signe de 2x-1

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+[pic 132][pic 133][pic 134]

+[pic 135]

Signe de -5x-1

+

+

-

Signe de [pic 136]

-[pic 137]

+

-[pic 138]

...

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