s'il vous plaît aidez moi just la dernière question.
et merci beaucoup ​
1 ) P(1)=0
Q(x) = x²+x-2
donc P(x)=(x-1)(x²+x-2)
2) on a P(x)=(x-1)(x²+x-2)
on resoud l'équation x²+x-2=0
a=1 b =1 c=-2
puis on factorise on obtiendra
P(x) = (x-1)(x-1)(x+2)
donc P(x)=(x+2)2x-1)²
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