October 2018 1 14 Report

doprowadź do najprostrzej postaci, a nastepnie oblicz ich wartośc liczbowa.

a) (3x-1) do potegi 2-(3x+1) do potegi 3 dla x=1/9

b) (3x-y)^2-(3x+y)^2 dla x=2, y=1/18

c) (x-y)^2-(x+y)^2 dla x=-1/3 y=-2

d) ( x+1)^3+(x+2)^3-9(x+1)^2 dla x=1/5


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