Respuesta:
a
Explicación paso a paso:
x3 + 4x² - 2x + 1 / x - 2
x - 2 = 0 x = 2
2(3) + 4.2² - 2.2 + 1 = 8 + 16 - 4 + 1 = 21
-2x(3) - 5x² - x + 2 / x + 2
x + 2 = 0 x = -2
-2.-2(3) - 5.(-2)² - (-2) + 2 = 16 - 20 +2 + 2 = 0
(x3 - 5x - 1) (x - 3)
probamos x = 3
3(3) - 5.3 - 1 = 27 - 15 -1 = 11
No es divisible
( x(4) - 2x(3) + x² +x - 1 ) (x-1)
Probamos x = 1
1(4) - 2.1(3) + 1² + 1 - 1 = 1 - 2 + 1 + 1 - 1 = 0
Si es factor
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Respuesta:
a
Explicación paso a paso:
x3 + 4x² - 2x + 1 / x - 2
x - 2 = 0 x = 2
2(3) + 4.2² - 2.2 + 1 = 8 + 16 - 4 + 1 = 21
-2x(3) - 5x² - x + 2 / x + 2
x + 2 = 0 x = -2
-2.-2(3) - 5.(-2)² - (-2) + 2 = 16 - 20 +2 + 2 = 0
(x3 - 5x - 1) (x - 3)
probamos x = 3
3(3) - 5.3 - 1 = 27 - 15 -1 = 11
No es divisible
( x(4) - 2x(3) + x² +x - 1 ) (x-1)
Probamos x = 1
1(4) - 2.1(3) + 1² + 1 - 1 = 1 - 2 + 1 + 1 - 1 = 0
Si es factor