Odpowiedzi

2010-02-24T20:11:42+01:00
Y=(x⁴-5x²+4)/x
y=(x⁴-4x²-x²+4)/x
y=(x²-4)(x²-1)/x
x≠0
D=R \ {0}
(x²-4)(x²-1)/x=0
(x+2)(x-2)(x+1)(x-1)=0
x₁=-2 v x₂=2 v x₃=-1 v x₄=1
2010-02-24T20:13:36+01:00
F(x)=1/(xkwadrat-1)(xkwadrat-2)