January 2019 1 19 Report
Dlaczego w tym rozwiazaniu 3 jest dwukrotne?
x5-6x4+9x3=0
x3(x2-6x+9)=0
x3=0 delta=(-6)2-4*1*9
x1=0 delta=36-36
delta=0

x0=6/2=3

0-trzykrotny pierwiastek
3-dwukrotny pierwiastek

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