indefinite-integration

Question: $\int_{{}}^{{}}{\frac{\log x}{{{(1+\log x)}^{2}}}dx=}$

1) $\frac{1}{1+\log x}+c$

2) $\frac{x}{{{(1+\log x)}^{2}}}+c$

3) $\frac{x}{1+\log x}+c$

4) $\frac{1}{{{(1+\log x)}^{2}}}+c$

Solution:

Explanation: No Explanation

Integration by parts

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