Rozwiąż nierówności wymierne:
a.) 2x/x2−4x < 5x/x2−3x
b.)[ 1-x/x^2+10x+25] - [2/x^2+5x<=0
z dziedziną sbie poradze..
a) D = R\{3,4}
x ∈(14/3, ∞)
b) D = R \ {-5}
x ∈ (0,∞)
x² + x + 10 = x(x+1)+10 > 0
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a) D = R\{3,4}
x ∈(14/3, ∞)
b) D = R \ {-5}
x ∈ (0,∞)
x² + x + 10 = x(x+1)+10 > 0