$\int \frac{d x}{x+\sqrt{x-1}} = $

  • A
    $\log _e|x+\sqrt{x-1}|-\frac{1}{\sqrt{3}} \tan ^{-1}\left(\frac{2 \sqrt{x-1}+1}{\sqrt{3}}\right)+c$
  • B
    $\frac{1}{\sqrt{3}} \log _e|x+\sqrt{x-1}|-\tan ^{-1}\left(\frac{2 \sqrt{x-1}+1}{\sqrt{3}}\right)+c$
  • C
    $\frac{2}{\sqrt{3}} \log _e|x+\sqrt{x-1}|-\tan ^{-1}\left(\frac{2 \sqrt{x-1}+1}{\sqrt{3}}\right)+c$
  • D
    $\log _e|x+\sqrt{x-1}|-\frac{2}{\sqrt{3}} \tan ^{-1}\left(\frac{2 \sqrt{x-1}+1}{\sqrt{3}}\right)+c$

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