/ 2 \ log\x + 1/ 2*x*atan(x) ----------- + ----------- 2 2 1 + x x + 1
log(x^2 + 1)/(1 + x^2) + ((2*x)*atan(x))/(x^2 + 1)
/ 2\ 2*x*atan(x) + log\1 + x / ------------------------- 2 1 + x
(2*x*atan(x) + log(1 + x^2))/(1 + x^2)
/ 2\ 2*x*atan(x) + log\1 + x / ------------------------- 2 1 + x
(2*x*atan(x) + log(1 + x^2))/(1 + x^2)
/ 2\ 2*x*atan(x) + log\1 + x / ------------------------- 2 1 + x
(2*x*atan(x) + log(1 + x^2))/(1 + x^2)
log(x^2 + 1)/(1.0 + x^2) + 2.0*x*atan(x)/(1.0 + x^2)
log(x^2 + 1)/(1.0 + x^2) + 2.0*x*atan(x)/(1.0 + x^2)
/ 2\ 2*x*atan(x) + log\1 + x / ------------------------- 2 1 + x
(2*x*atan(x) + log(1 + x^2))/(1 + x^2)
/ 2\ 2*x*atan(x) + log\1 + x / ------------------------- 2 1 + x
(2*x*atan(x) + log(1 + x^2))/(1 + x^2)