A \( \frac{-e^{-x}}{x^2} + c \)
B \( \frac{e^{-x}}{x} + c \)
C \( \frac{e^{-x}}{x^2} + c \)
D \( -xe^{-x} + c \)
E \( \frac{-e^{-x}}{x} + c \)
Correct Answer: Option B
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