Răspunsuri

2014-05-14T20:10:43+03:00
⇒E(x)=x²+2x+1+x²-2x-1-x²-2x+2x+2=
      =x²+3
E(1)+E(√2)=(1)²+3+√2²+3=1+6+2=9
La final raspunsul e x la puterea a doua+6 si 15. Ceva e gresit .