Réponse :
bonjour
p(x ) = 3 x + 4 x + 5 x = 12 x
p ( 3) = 36
A (x) = 12 x² / 2 = 6 x²
a ( 3 ) = 6 * 9 = 54
R (x) = 2 ( 2 + 3 x + 2 ) = 4 + 6 x + 4 = 6 x + 8
r ( 3) = 18 + 8 = 26
A (x) = 2 ( 3 x + 2 ) = 6 x + 4
C ( 3) = 18 + 4 = 22
Explications étape par étape :
