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Sagot :

VINS

bonjour,

f (x) =  x ³ - 2 x² + 4  et  g( x) = x + 2

a) graphiquement

b )   graphiquement

c )   ( x - 2 ) ( x² - 1 ) = 0

x ³ - x - 2 x² + 2 = 0

x ³ - 2 x² + 4 = x + 2

x ³ -  2 x² - x  + 4 - 2 = 0

x ³ - 2 x² - x + 2 = 0

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