\(\int \frac{\left(x^{5}-x\right)^{1 / 5}}{x^{6}} d x\) is equal to (where C is an arbitrary constant)
1
\(\left(1-\frac{1}{x^{4}}\right)^{\frac{4}{5}}+c\)
2
\(\left(x^{4}-\frac{1}{x^{4}}\right)^{\frac{6}{5}}+c\)
3
\(\frac{5}{24}\left(1-\frac{1}{x^{4}}\right)^{\frac{6}{5}}+C\)
4
\(\frac{5}{24}\left(x^{4}-\frac{1}{x^{4}}\right)^{\frac{6}{5}}+C\)