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




 Mar 24, 2022
 #1
avatar+117162 
+1

Hint:

You cannot divide by zero.  So none of the denominators can be equal to 0.

 Mar 25, 2022

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