/ / 2 2 \ \
| 3 | 2 3 63*x*atan(7*x) 196*x *atan (7*x)| |
| 1372*log (x)*|- atan (7*x) + --------- - -------------- + -----------------| |
| 3 / 2 \ | 2 2 2 | 2 2 |
2 |5*atan (7*x)*\6 + log (x) - 6*log(x)/ \ 1 + 49*x 1 + 49*x 1 + 49*x / 1470*log (x)*(-3 + 14*x*atan(7*x))*atan(7*x) 210*atan (7*x)*(-4 + log(x))*log(x)|
2*log (x)*|------------------------------------- + ---------------------------------------------------------------------------- - -------------------------------------------- - -----------------------------------|*atan(7*x)
| 3 2 2 2 / 2\ |
| x / 2\ / 2\ x *\1 + 49*x / |
\ \1 + 49*x / x*\1 + 49*x / /