x^atan(x)*(atan(x)/x + log(x)/(1.0 + x^2))
atan(x) / / 2\ \ x *\x*log(x) + \1 + x /*atan(x)/ -------------------------------------- / 2\ x*\1 + x /
atan(x) / / 2\ \ x *\x*log(x) + \1 + x /*atan(x)/ -------------------------------------- / 2\ x*\1 + x /
-1 + atan(x) / / 2\ \ x *\x*log(x) + \1 + x /*atan(x)/ ------------------------------------------- 2 1 + x
1 + atan(x) atan(x) / 2\ x *log(x) + x *\1 + x /*atan(x) ----------------------------------------------- 3 x + x
atan(x) / 2 \ x *\x*log(x) + x *atan(x) + atan(x)/ ------------------------------------------ / 2\ x*\1 + x /
atan(x) atan(x) 2 atan(x) x *atan(x) + x*x *log(x) + x *x *atan(x) ---------------------------------------------------------- 3 x + x