/ 5 10 / 5\\ 3 2/ 5\ | / 5\ 15*x 10*x *atan\x /| 20*x *atan \x /*|4*atan\x / + ------- - ---------------| | 10 10 | \ 1 + x 1 + x / -------------------------------------------------------- 10 1 + x
/ 10 15 / 5\ 10 2/ 5\ 5 / 5\ 20 2/ 5\\ 2 | 2/ 5\ 75*x 225*x *atan\x / 85*x *atan \x / 90*x *atan\x / 100*x *atan \x /| / 5\ 40*x *|6*atan \x / + ---------- - ---------------- - ---------------- + -------------- + -----------------|*atan\x / | 2 2 10 10 2 | | / 10\ / 10\ 1 + x 1 + x / 10\ | \ \1 + x / \1 + x / \1 + x / / -------------------------------------------------------------------------------------------------------------------- 10 1 + x