Odpowiedzi

2009-11-12T20:12:00+01:00
2009-11-12T20:13:17+01:00
Δ=4+12=16
√Δ=4
x₁=-2-4÷6=-1
x₂=-2+4÷6=1/3

x∈(-∞;-1>∞ υ <1/3;∞)