1) Dany jest wielomian W(x) = x + 4 oraz
Q(x) = x² + 2x+3
Oblicz W(x)+Q(x) =
Oblicz W(x)- Q(x) =
Oblicz W(x) x Q(x) =
Q(x) = x² + 2x+3
Oblicz W(x)+Q(x) =
Oblicz W(x)- Q(x) =
Oblicz W(x) x Q(x) =
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Odpowiedź:
Rozwiązanie w załączniku. Pozdrawiam.
Odpowiedź:
W(x) = x + 4 , Q(x) = x² + 2x + 3
W(x) + Q(X) = x + 4 + x² + 2x + 3 = x² + 3x + 7
W(x) - Q(x) = x + 4 - (x² + 2x + 3) = x + 4 - x² - 2x - 3 = - x² - x + 1
W(x) * Q(x) = (x + 4)(x² + 2x + 3) = x³ + 2x² + 3x + 4x² + 8x + 12 =
= x³ + 6x² + 11x + 12