Rozłoż wielomiany P(x)= oraz W(x)= na czynniki. Podaj wspólny pierwiastek tych wielomianów.
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P(x) = x^4 - 4 = (x^2 - 2)*(x^2 + 2) = ( x - p(2))*(x + p(2))*( x^2 + 2)
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W(x) = x^3 - p(2) x^2 + 2x -2 p(2) = x^2 *( x - p(2)) + 2*( x - p(2)) =
= ( x - p(2)) *( x^2 + 2)
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Wspólny pierwiastek tych wielomianów to: p(2)
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p(2) - pierwiastek kwadratowy z 2