October 2018 1 30 Report

Podaj wszystkie pierwiastki (o ile istnieją) wielomianu W(x), jeśli:

a) W(x)=(x-1)(x+4)x

b) W(x)=(3x-1)(x^2 -9)(4x+2)

c) W(x)=(2x^2 +1)(x^2 +3)(1-2x)

d) W(x)=(x^2 +4x-5)(2x^2 +7)

e) W(x)=(2x^2 +x+7)(x^2 -5)(x^2 +5x+6)

f) W(x)=(-x^2 +3x-8)(5x^2 +25)(x^2 +1)


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