indefinite-integration

Question: $\int{{{\left( \frac{x+2}{x+4} \right)}^{2}}{{e}^{x}}\,\,dx}$ is equal to



1) ${{e}^{x}}\left( \frac{x}{x+4} \right)+c$
2) ${{e}^{x}}\left( \frac{x+2}{x+4} \right)+c$
3) ${{e}^{x}}\left( \frac{x-2}{x+4} \right)+c$
4) $\left( \frac{2x{{e}^{x}}}{x+4} \right)+c$
Solution: Explanation: No Explanation
Integration by parts

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