A \( \frac{y}{x+y} (1 + \ln y) \)
B \( \frac{y}{x+y} (1 - \ln y) \)
C \( \frac{y}{x-y} (1 + \ln y) \)
D \( \frac{y}{x-y} (1 - \ln y) \)
Correct Answer: Option D
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