podaj rownanie ktorego dziedzina jest zbior R a zbiorem rozwiazan {1,2,3}
(x-1)(x-2)(x-3)=0
x-1=0 v x-2=0 v x-3=0
x=1 v x=2 v x=3
x1 = 1
x2 = 2
x3 = 3
(x - x1)(x - x2)(x - x3) = 0
(x - 1)(x - 2)(x - 3) = 0
(x² - 2x - x + 2)(x - 3) = 0
x³ - 3x² - 2x² + 6x - x² + 3x + 2x - 6 = 0
x³ - 6x² + 11x - 6 = 0 ---- odpowiedx
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(x-1)(x-2)(x-3)=0
x-1=0 v x-2=0 v x-3=0
x=1 v x=2 v x=3
x1 = 1
x2 = 2
x3 = 3
(x - x1)(x - x2)(x - x3) = 0
(x - 1)(x - 2)(x - 3) = 0
(x² - 2x - x + 2)(x - 3) = 0
x³ - 3x² - 2x² + 6x - x² + 3x + 2x - 6 = 0
x³ - 6x² + 11x - 6 = 0 ---- odpowiedx