Rozwiąż równanie: x⁴ - 2x³ - x² +2x = 0
x⁴ - 2x³ - x² + 2x = 0
x³(x-2) - x(x-2) = 0
(x-2)(x³-x) = 0
x = 2 lub x³ = x => x = 0 lub x = 1 lub x = -1
Odp.: x ∈ {-1; 0; 1; 2}
Wykres funkcji w załączniku
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Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
x⁴ - 2x³ - x² +2x = 0
x³(x - 2) - x(x - 2) = 0
(x - 2)(x³ - x) = 0
x - 2 = 0 lub x³ - x = 0
x = 2 x(x² - 1) = 0
x = 0 lub x² - 1 = 0
x² = 1
x = 1 lub x = -1
odp. x = 2, x = 0, x = 1, x = -1
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x⁴ - 2x³ - x² + 2x = 0
x³(x-2) - x(x-2) = 0
(x-2)(x³-x) = 0
x = 2 lub x³ = x => x = 0 lub x = 1 lub x = -1
Odp.: x ∈ {-1; 0; 1; 2}
Wykres funkcji w załączniku
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
x⁴ - 2x³ - x² +2x = 0
x³(x - 2) - x(x - 2) = 0
(x - 2)(x³ - x) = 0
x - 2 = 0 lub x³ - x = 0
x = 2 x(x² - 1) = 0
x = 0 lub x² - 1 = 0
x² = 1
x = 1 lub x = -1
odp. x = 2, x = 0, x = 1, x = -1