/ 2 \
| 4 3 12*x 6*x |
-|----------- + -------------------- + ----------- + ------------------|
| 3/2 3/2 5/2 2 |
|/ 2\ / 2\ 2 / 2\ / 2\ |
\\1 - x / \1 - x / *acos (x) \1 - x / \-1 + x / *acos(x)/
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_________
8*\/ acos(x)
$$- \frac{\frac{12 x^{2}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} + \frac{6 x}{\left(x^{2} - 1\right)^{2} \operatorname{acos}{\left(x \right)}} + \frac{4}{\left(1 - x^{2}\right)^{\frac{3}{2}}} + \frac{3}{\left(1 - x^{2}\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left(x \right)}}}{8 \sqrt{\operatorname{acos}{\left(x \right)}}}$$