/ 2 4 \ | 7*x 4*x | 2*|3 - ------ + ---------| | 2 2| | 1 + x / 2\ | \ \1 + x / / -------------------------- 2 1 + x
2 4 14*x 8*x 6 - ------ + --------- 2 2 1 + x / 2\ \1 + x / ---------------------- 2 1 + x
2.0*(3.0 + 4.0*x^4/(1.0 + x^2)^2 - 7.0*x^2/(1.0 + x^2))/(1.0 + x^2)
2 / 2\ / 2\ 4 / 2\ 2*\1 + x / *\3 - 4*x / + 8*x *\1 + x / -------------------------------------- 4 / 2\ \1 + x /
/ 4 / 2\ / 2\\ 2*\4*x + \1 + x /*\3 - 4*x // ------------------------------ 3 / 2\ \1 + x /
2 4 2*7*x 2*4*x 6 - ------ + --------- 2 2 1 + x / 2\ \1 + x / ---------------------- 2 1 + x