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$\int_{}^{} {\frac{{dx}}{{x({x^n} + 1)}} = } $

• A
  $n\log \frac{{{x^n}}}{{{x^n} + 1}} + c$
• B
  $n\log \frac{{{x^n} + 1}}{{{x^n}}} + c$
• ✓
  $\frac{1}{n}\log \frac{{{x^n}}}{{{x^n} + 1}} + c$
• D
  $\frac{1}{n}\log \frac{{{x^n} + 1}}{{{x^n}}} + c$