A une passante

1373 mots 6 pages
Développement d’expressions
Énoncés Développer les expressions suivantes : Exercice 1. f (x) = 4x 3 − 9 2
2

Exercice 16. f (x) =

7x 1 + 10 3

2

.
2

Exercice 32. f (x) =

7x 5 − 10 7 1 7

7x 5 + . 10 7
2

Exercice 49. f (x) = (−x − 2) Exercice 50. f (x) = 1 −x 2

9x −4 . 5 7 7x . − 9 10 7 5x . − 6 10 5x + 2 . 5

Exercice 17. f (x) = − Exercice 18. f (x) =

.

4x 9 − 3 8

.

Exercice 33. f (x) = −9x + Exercice 34. f (x) =

.

Exercice 2. f (x) = − Exercice 3. f (x) = Exercice 4. f (x) =

2 x −5 . 2 2

x −9 3 2 3

x +9 . 3
2

2 x −1 . 2

Exercice 51. f (x) = −
2

7x −1 9 3x 3 − 4 4

9x 1 − 2 7 x 10 + 4 9

Exercice 19. f (x) = −x +

.
2

Exercice 35. f (x) = −6x + Exercice 36. f (x) = x 3 − 2 7

1 2
2

. .
2

Exercice 52. f (x) = − Exercice 53. f (x) =

.
2

.
2

2x 3 Exercice 20. f (x) = − 3 4 x 9 + Exercice 21. f (x) = 3 2
2

.

3x 1 − 4 3 5 x − 4 3 1 − 2x 2 x +1 9

3x 7 + . 2 9 9x +6 . 5 8 5x . − 3 8 2x 5 + . 7 8

Exercice 5. f (x) = − Exercice 6. f (x) = Exercice 7. f (x) =

10x 1 + 9 9

.
2

Exercice 37. f (x) = −

x 1 − 2 5 9 5

. 2x +
2

Exercice 54. f (x) = 9 . 5 Exercice 55. f (x) = Exercice 56. f (x) = . Exercice 57. f (x) =

.

2 10x − 10 . 7 2 4x −5 . 9

x 8 Exercice 22. f (x) = − + 3 5 1 Exercice 23. f (x) = 3x − 8 7x 7 . + 10 10 5 Exercice 24. f (x) = 3x + 2 5 Exercice 25. f (x) = 7x − 4 2x 1 Exercice 26. f (x) = − 9 10 5x 1 + Exercice 27. f (x) = − 4 3 Exercice 28. f (x) = 3x 3 − 7 2 7 5
2 2

. 1 3x + . 8 . 5 7x + . 4 2x 1 . + 9 10
2

Exercice 38. f (x) = 2x − Exercice 39. f (x) =

3x 2 + 2 3

.
2

Exercice 40. f (x) = − Exercice 41. f (x) =

Exercice 8. f (x) = − Exercice 9. f (x) =

7 7x + 10 10

8x 4 + 5 7

2x − 1 (x + 4). 3 3 x − (x + 4). 10 5 1− − x . 8

5x 3 − 2 4 3 8
2

5x 3 + . 2 4 .
2

2x +6 5 4x 7 − 5 9

9x 4 + . 10 7 9 x − . 8 5 5x 5 + . 6 3 2x − 7 . 6

Exercice 58. f (x) = − Exercice 59. f (x) =

en relation

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