/ 2\
-\4 + 3*x /
-------------------------------------------
_________________
/ 2 ________________
/ / 3 \ / / 3 \
2*\/ 1 - \x + 4*x/ *\/ acos\x + 4*x/
$$- \frac{3 x^{2} + 4}{2 \sqrt{1 - \left(x^{3} + 4 x\right)^{2}} \sqrt{\operatorname{acos}{\left(x^{3} + 4 x \right)}}}$$
2 2
/ 2\ / 2\ / 2\
3*x \4 + 3*x / x*\4 + 3*x / *\4 + x /
- ---------------------- + -------------------------------------- - -----------------------
__________________ / 2\ 3/2
/ 2 | 2 / 2\ | / / 2\\ / 2\
/ 2 / 2\ 4*\-1 + x *\4 + x / /*acos\x*\4 + x // | 2 / 2\ |
\/ 1 - x *\4 + x / 2*\1 - x *\4 + x / /
-------------------------------------------------------------------------------------------
__________________
/ / / 2\\
\/ acos\x*\4 + x //
$$\frac{- \frac{x \left(x^{2} + 4\right) \left(3 x^{2} + 4\right)^{2}}{2 \left(- x^{2} \left(x^{2} + 4\right)^{2} + 1\right)^{\frac{3}{2}}} - \frac{3 x}{\sqrt{- x^{2} \left(x^{2} + 4\right)^{2} + 1}} + \frac{\left(3 x^{2} + 4\right)^{2}}{4 \left(x^{2} \left(x^{2} + 4\right)^{2} - 1\right) \operatorname{acos}{\left(x \left(x^{2} + 4\right) \right)}}}{\sqrt{\operatorname{acos}{\left(x \left(x^{2} + 4\right) \right)}}}$$
3 3 2 3 3
/ 2\ / 2\ 2 / 2\ / 2\ 2 / 2\ / 2\ / 2\ / 2\ / 2\
3 \4 + 3*x / 3*\4 + 3*x / 9*x *\4 + x /*\4 + 3*x / 3*x *\4 + x / *\4 + 3*x / 9*x*\4 + 3*x / 3*x*\4 + 3*x / *\4 + x /
- ---------------------- - ----------------------- - ----------------------------------------- - ------------------------ - -------------------------- + -------------------------------------- - ---------------------------------------
__________________ 3/2 3/2 3/2 5/2 / 2\ 2
/ 2 / 2\ / 2\ / 2\ / 2\ | 2 / 2\ | / / 2\\ / 2\
/ 2 / 2\ | 2 / 2\ | | 2 / 2\ | 2/ / 2\\ | 2 / 2\ | | 2 / 2\ | 2*\-1 + x *\4 + x / /*acos\x*\4 + x // | 2 / 2\ | / / 2\\
\/ 1 - x *\4 + x / 2*\1 - x *\4 + x / / 8*\1 - x *\4 + x / / *acos \x*\4 + x // \1 - x *\4 + x / / 2*\1 - x *\4 + x / / 4*\-1 + x *\4 + x / / *acos\x*\4 + x //
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
__________________
/ / / 2\\
\/ acos\x*\4 + x //
$$\frac{- \frac{3 x^{2} \left(x^{2} + 4\right)^{2} \left(3 x^{2} + 4\right)^{3}}{2 \left(- x^{2} \left(x^{2} + 4\right)^{2} + 1\right)^{\frac{5}{2}}} - \frac{9 x^{2} \left(x^{2} + 4\right) \left(3 x^{2} + 4\right)}{\left(- x^{2} \left(x^{2} + 4\right)^{2} + 1\right)^{\frac{3}{2}}} - \frac{3 x \left(x^{2} + 4\right) \left(3 x^{2} + 4\right)^{3}}{4 \left(x^{2} \left(x^{2} + 4\right)^{2} - 1\right)^{2} \operatorname{acos}{\left(x \left(x^{2} + 4\right) \right)}} + \frac{9 x \left(3 x^{2} + 4\right)}{2 \left(x^{2} \left(x^{2} + 4\right)^{2} - 1\right) \operatorname{acos}{\left(x \left(x^{2} + 4\right) \right)}} - \frac{\left(3 x^{2} + 4\right)^{3}}{2 \left(- x^{2} \left(x^{2} + 4\right)^{2} + 1\right)^{\frac{3}{2}}} - \frac{3 \left(3 x^{2} + 4\right)^{3}}{8 \left(- x^{2} \left(x^{2} + 4\right)^{2} + 1\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left(x \left(x^{2} + 4\right) \right)}} - \frac{3}{\sqrt{- x^{2} \left(x^{2} + 4\right)^{2} + 1}}}{\sqrt{\operatorname{acos}{\left(x \left(x^{2} + 4\right) \right)}}}$$