The sum of (x - 1/x + 1) and its reciprocal is ……………
The sum of \((\frac{x-1}{x+1})\) and its reciprocal is ………………
A) \(\frac{x^2+1}{x^2-1}\)
B) \(\frac{2(x^2+1)}{x^2-1}\)
C) \(\frac{x^2-1}{x^2+1}\)
D) \(\frac{2(x^2-1)}{x^2+1}\)
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