2 3*x + sin(x) - 5*acot(x)
3*x^2 + sin(x) - 5*acot(x)
5 ------ + 6*x + cos(x) 2 1 + x
10*x 6 - sin(x) - --------- 2 / 2\ \1 + x /
2 10 40*x -cos(x) - --------- + --------- 2 3 / 2\ / 2\ \1 + x / \1 + x /