indefinite-integration

Question: $\int_{{}}^{{}}{{{e}^{x}}\left( \frac{1}{x}-\frac{1}{{{x}^{2}}} \right)}\,dx=$

1) $-\frac{{{e}^{x}}}{{{x}^{2}}}+c$

2) $\frac{{{e}^{x}}}{{{x}^{2}}}+c$

3) $\frac{{{e}^{x}}}{x}+c$

4) $-\frac{{{e}^{x}}}{x}+c$

Solution:

Explanation: No Explanation

Integration by parts

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