Techniques of Integration - Logarithmic Integrals of \(\frac{f'(x)}{f(x)}\)
Techniques of Integration - Logarithmic Integrals of \(\frac{f'(x)}{f(x)}\)
\(\displaystyle\displaystyle \displaystyle\int{\frac{x}{\left( {{x}^{2}}+1 \right)}}\mathrm{ d}x\)
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Answer:\(\frac12\ln|x^2+1|+C\)
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