/ ________ 2 \ / 2\ | / 2 x | \1 + 2*x /*|- \/ 1 + x - -----------| | ________| | / 2 | 4*x \ \/ 1 + x / ------------- + ---------------------------------------- ________ 2 / 2\ / 2 x *\1 + x / x*\/ 1 + x
/ ________ 2 \ / 2\ | / 2 x | \1 + 2*x /*|- \/ 1 + x - -----------| | ________| | / 2 | 4 \ \/ 1 + x / ----------- + ---------------------------------------- ________ 2 / 2\ / 2 x *\1 + x / \/ 1 + x
4.0*(1.0 + x^2)^(-0.5) + (1.0 + 2.0*x^2)*(-(1.0 + x^2)^0.5 - x^2*(1.0 + x^2)^(-0.5))/(x^2*(1.0 + x^2))
3/2 ________ 3 / 2\ / 2 / 2\ / 2\ 4*x *\1 + x / + x*\/ 1 + x *\1 + 2*x /*\-1 - 2*x / ------------------------------------------------------- 2 3 / 2\ x *\1 + x /
/ 2\ / 2\ 2 / 2\ \1 + 2*x /*\-1 - 2*x / + 4*x *\1 + x / -------------------------------------- 3/2 2 / 2\ x *\1 + x /