$\int \: e^x \bigg(\frac{1}{x} - \frac{1}{x^2} \bigg) dx$ is equal to $$\begin{array} ((A)\: \frac{-e^x}{x^2}+C \quad & (B)\: \frac{e^x}{x^2}+C \\ (C) \: \frac{-e^x}{x^2} \quad & (D) \: \frac{e^x}{x} \end{array}$$

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