4
15*x
--------------
___________
/ 10
\/ 1 - 9*x
$$\frac{15 x^{4}}{\sqrt{- 9 x^{10} + 1}}$$
/ 10 \
3 | 45*x |
15*x *|4 + ---------|
| 10|
\ 1 - 9*x /
---------------------
___________
/ 10
\/ 1 - 9*x
$$\frac{15 x^{3} \cdot \left(\frac{45 x^{10}}{- 9 x^{10} + 1} + 4\right)}{\sqrt{- 9 x^{10} + 1}}$$
/ 10 20 \
2 | 255*x 2025*x |
45*x *|4 + --------- + ------------|
| 10 2|
| 1 - 9*x / 10\ |
\ \1 - 9*x / /
------------------------------------
___________
/ 10
\/ 1 - 9*x
$$\frac{45 x^{2} \cdot \left(\frac{2025 x^{20}}{\left(- 9 x^{10} + 1\right)^{2}} + \frac{255 x^{10}}{- 9 x^{10} + 1} + 4\right)}{\sqrt{- 9 x^{10} + 1}}$$