Question

URGENT!!!!!!!!!!!!Aratati ca (x+1)² >x, oricare ar fi x apartinand lui R.Dau 30 de puncte

Answer 1

x²+2X+1-X>0
X²+X+1>0 oricare ar fi x ∈R, deoarece Δ<o

Answer 2

 (x+1)²>x <=> x² +2x+1>x <=>x{0,1,...}