5*x
- -------------- + acos(5*x)
___________
/ 2
\/ 1 - 25*x
$$- \frac{5 x}{\sqrt{1 - 25 x^{2}}} + \operatorname{acos}{\left(5 x \right)}$$
/ 2 \
| 25*x |
-5*|2 + ---------|
| 2|
\ 1 - 25*x /
------------------
___________
/ 2
\/ 1 - 25*x
$$- \frac{5 \left(\frac{25 x^{2}}{1 - 25 x^{2}} + 2\right)}{\sqrt{1 - 25 x^{2}}}$$
/ 2 \
| 75*x |
125*x*|-4 + ----------|
| 2|
\ -1 + 25*x /
-----------------------
3/2
/ 2\
\1 - 25*x /
$$\frac{125 x \left(\frac{75 x^{2}}{25 x^{2} - 1} - 4\right)}{\left(1 - 25 x^{2}\right)^{\frac{3}{2}}}$$