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Which of the following is equal to the rational expression when x=1 or -1
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Which of the following is equal to the rational expression when x=1 or -1

Which of the following is equal to the rational expression when x=1 or -1-example-1
User Michael Simons
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The option B is correct because the denominator can't be zero, and x being 1 or -1 makes it zero.

User Jack Andersen
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