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Sebydistrug
a fost răspuns

X patrat-x+1=0 rezolvat in delta si a=?b=?c=?

Răspuns :

x²-x+1=0
a=1;b=-1;c=1
Δ=b²-4ac=1-4=-3<0
S=∅
Rayzen
[tex]\text{x}^2-\text{x}+1 = 0 \\ \\ \Delta = b^2-4ac = (-1)^2-4\cdot 1\cdot 1 = 1-4 = -3\ \textless \ 0 \Rightarrow \text{x}\notin \mathbb_{R} $ $\\ \\ \\ a = 1;\quad b=-1;\quad c=1.[/tex]

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