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n^3 - 125 = 0
n^3 = 125
n = Raíz cubica de 125
n = 5
d)
2a^3 - 250 = 0
2a^3 = 250
a^3 = 250/2
a^3 = 125
a = Raíz cubica de 125
a = 5
f)
(x + 1)^3 - x^3 = 0
(x + 1)^3 = x^3
x + 1 = x
1 = 0
x ---> € ---- Nulo