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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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