January 2019 1 69 Report
1. Rozwiąż równanie.
a) x+5/x+4 + 5/x-2 = 1/x+4
b) 1/2x + 1/2(x+2) = 1

2. Rozwiąż nierówność.
a) x-3/x+1 ≥ 1/2
b) x+2/x ≤ -2
c) x-5/x-3 > 0
d) x^2+1/x-1 < 0
e) x+1/x+2 >1
f) x^2+1/x-1 ≤ x
g) x - 1/x < 0
h) x + 1/x ≥ 2
i) (2x-1)^2/2x-1 ≤ 0

3. Wyznacz zbiory: A suma B, A iloczyn B oraz A \ B.
a) A= {xeR : x ≥ 4/x}, B = {xeR : x-7/x-4 ≤ 2}
b) A= {xeR : x^2+1/x+1 < 1}, B= {xeR : (x-2)^2(x+1)/x+2 ≥ 0}

Dam naj!
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