Réponses

2013-03-27T18:38:59+01:00
1) A=(V(3)+3)(V(3)+3)=3+3V(3)+3V(3)+9=12+6V(3)

2) A'=V(2)(V(72)+3V(6))=V(2*8*9)+3V(2*6)=3V(16)+3V(3*4)=3*4+3*2V(3)=12+6V(3)

V : racine de.