October 2018 1 30 Report

1.Wykaż, że jeśli a+b=2 oraz a^2+b^2=8 to a^3+b^3=20

2. Zapisz w najprostszej postaci wyrażenie:

(x+|x-8|)^2^/^3

dla x e (0,8)

(do potęgi 2/3)


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