Indefinite Integration

$\frac{7}{4}\left(\frac{x+1}{x-1}\right)^{\frac{2}{7}}+C$

$\frac{-7}{4}\left(\frac{x+1}{x-1}\right)^{\frac{2}{7}}+C$

$\frac{7}{4}\left(\frac{x-1}{x+1}\right)^{\frac{2}{7}}+C$

$\frac{-7}{4}\left(\frac{x-1}{x+1}\right)^{\frac{2}{7}}+C$