3
28*x
--------------
___________
/ 8
\/ 1 - 49*x $$\frac{28 x^{3}}{\sqrt{- 49 x^{8} + 1}}$$
/ 8 \
2 | 196*x |
28*x *|3 + ---------|
| 8|
\ 1 - 49*x /
---------------------
___________
/ 8
\/ 1 - 49*x $$\frac{28 x^{2} \left(\frac{196 x^{8}}{- 49 x^{8} + 1} + 3\right)}{\sqrt{- 49 x^{8} + 1}}$$
/ 8 16 \
| 1274*x 57624*x |
56*x*|3 + --------- + ------------|
| 8 2|
| 1 - 49*x / 8\ |
\ \1 - 49*x / /
-----------------------------------
___________
/ 8
\/ 1 - 49*x $$\frac{56 x}{\sqrt{- 49 x^{8} + 1}} \left(\frac{57624 x^{16}}{\left(- 49 x^{8} + 1\right)^{2}} + \frac{1274 x^{8}}{- 49 x^{8} + 1} + 3\right)$$