December 2018 1 23 Report
Wyznacz wartości parametrów a i b, dla których liczby r1 i r2 są pierwiastkami wielomianu W(x), jeśli:

W(x) = x³+ax²+bx-9
r1 = -1
r2 = 3

W(x)= ax³+x²+bx-1
r1 = -1/2
r2 = 1

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