December 2018 1 16 Report
Proszę o pomoc.Daję naj. Rozwiąż nierówności kwadratowe :
a) (x+4) (x-6) ≥ 0
b) (x-3) (x+4) ≥ 0
c) -(4-x) (x+2) < 0
d) 2(x-7) (x+7) < 0
e) (x-2)² < 0
f) -(x+3)² ≥ 0
g) -(2x-1) (4-x) < 0
h) (2x+1) (1+2x) ≥ 0
i) (4-x) (x+√2) ≥ 0
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