How many real numbers are not in the domain of the function $$f(x) = \frac{1}{x-64} + \frac{1}{x^2-64} + \frac{1}{x^3-64}~?$$
Question:
How many real numbers are not in the domain of the function $$f(x) = \frac{1}{x-64} + \frac{1}{x^2-64} + \frac{1}{x^3-64}~?$$
Answer:
Let's think step by step.

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How many real numbers are not in the domain of the function $$f(x) = \frac{1}{x-64} + \frac{1}{x^2-64} + \frac{1}{x^3-64}~?$$
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