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Sagot :

Réponse :Bonjour,

f'(x) = -2*2x + 3 = -4x +3

g'(x) = 3*4/4  x^3 + 7*3 /9 x^2 = 3x^3 + 7/3 * x^2

VINS

bonjour

f (x) = - 2 x² + 3 x  - 5

f ' ( x) = - 4 x + 3

g (x) =  3 x ⁴ / 4 + 7 x ³ /9

g ' (x) =  12 x ³ /4 +  21 x² / 9

g ' (x) = 3 x ³ + 7 x²/3

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