JEE MATHEMATICS MCQ: INDEFINITE INTEGRATION

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Application +4 | -1

\int \frac{d(\ln x)}{x+1}=

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Correct option: C

\ln \left|\frac{x}{x+1}\right|+c

Option C,

\ln \left|\frac{{x}}{{x+1}}\right|+c

, is correct because the integral of

\frac{{d(\ln x)}}{{x+1}}

can be solved by substitution, leading to this result.

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