October 2018 1 27 Report

1.Rozwiąż równania : a) x(x+5)^2(x-1)=0 b) x^3+2x^2-9x-18=0 c) x(x+4)^2(x-2)=0 d) x^3-2x^2-9x+18=0 2. Dane są wielomiany W(x)=-3x+6, P(x)=x^2-2x+1 oraz Q(x)=5x^3+x-4. Wielomian 1/3W(x)(P(x)+Q(x)) można zapisać w postaci : a) 5x^4+9x^3-3x^2+x-6 b) -5x^4+9x^3+3x^2+x+6 c) -5x^4+9x^3+3x^2+x-6v d) -5x^4-9x^3-3x^2+x+6


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