\(\frac{1}{x + 2}\)
\(\frac{x - 1}{x + 1}\)
\(\frac{x - 1}{x + 2}\)
\(\frac{1}{x - 2}\)
Correct answer is A
\(\frac{x^2 - 1}{(x - 1)(x + 2)(x + 1)}\) = \(\frac{(x - 1)(x + 1)}{(x - 1)(x + 2)(x + 1)}\) = \(\frac{1}{x + 2}\)
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