¡¡¡¡urgente!!!!!
indica cuáles son las raices de estos polinomios sin desarrollar la expresiones:
A) P(X) = 3 * (x-2) *(x+2)
B) P(X) = 2x*(x-2) * (x+3)
C) P(X) = 4x^2* (x-1) * (x-2)
( el * es un signo de multiplicar y el ^2 es al cuadrado)
Respuestas a la pregunta
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Respuesta:
A)
P(x) = 0
3(x - 2)(x + 2) = 0
x - 2 = 0
x = 2
x + 2 = 0
x = - 2
x₁ = 2
x₂ = - 2
B)
P(x) = 0
2x(x - 2)(x + 3) = 0
x = 0
x - 2 = 0
x = 2
x + 3 = 0
x = - 3
x₁ = 0
x₂ = 2
x₃ = - 3
C)
P(x) = 0
4x²(x - 1)(x - 2) = 0
x² = 0
x = 0
x - 1 = 0
x = 1
x - 2 = 0
x = 2
x₁ = 0
x₂ = 1
x₃ = 2
A)
P(x) = 0
3(x - 2)(x + 2) = 0
x - 2 = 0
x = 2
x + 2 = 0
x = - 2
x₁ = 2
x₂ = - 2
B)
P(x) = 0
2x(x - 2)(x + 3) = 0
x = 0
x - 2 = 0
x = 2
x + 3 = 0
x = - 3
x₁ = 0
x₂ = 2
x₃ = - 3
C)
P(x) = 0
4x²(x - 1)(x - 2) = 0
x² = 0
x = 0
x - 1 = 0
x = 1
x - 2 = 0
x = 2
x₁ = 0
x₂ = 1
x₃ = 2
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