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There are three real numbers  that are not in the domain of

f(x) = (x - 1)(x - 2)(x - 3)/(x(x - 1)(x - 2))

What is the sum of those three numbers?

 Feb 13, 2021
 #1
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The denominator is (x)(x-1)(x-2). There are three factors, so there are three asymptotes: x = 0, x = 1, and x = 2.

 

The sum of the numbers is 0 + 1 + 2 = 3.

 Feb 20, 2021

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