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Which expression equals (x^2+1)/(x^2-1) after splitting?
A1 + 2/(x-1) - 2/(x+1)
B1 + 1/(x-1) + 1/(x+1)
C1 + 1/(x-1) - 1/(x+1)
Dx + 1/(x-1) - 1/(x+1)
Answer & Solution
Correct answer: C. 1 + 1/(x-1) - 1/(x+1)
The fraction is 1 + 2/(x^2-1), and 2/(x^2-1) = 1/(x-1) - 1/(x+1).
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