November 2018 2 72 Report

1) Sprawdź czy liczba jest pierwiastkiem wielomianu

a) w(x)=x³-6x²+12x-7 (1)

b) w(x)=5x³-2x²+6x-9 (1)

c) w(x)=x⁴-7x³+16x²-20x+16 (2)

Rozwiąż równania

a) (x+2)(x-3)(⅓x-1)=0

b) (x²+4x+4)(x²+2x-3)=0

c) (x²+5x+6)(2x+5)=0


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