👤

Rezolvarea la, X la puterea a doua minus x plus 1 egal cu 0

Răspuns :

x²-x+1=0
Δ=1-4=-3
x₁ =(1-√-3)/2=(1-i√ 3 )/2
x₂ =(1+√-3)/2=(1+i√ 3 )/2
i²=-1