/ 20*cos(4*x) 125*x*sin(4*x)\ 2*|-8*atan(5*x)*sin(4*x) + ----------- - --------------| | 2 2 | | 1 + 25*x / 2\ | \ \1 + 25*x / /
/ / 2 \ \ | | 100*x | | | 125*|-1 + ---------|*sin(4*x)| | | 2| | | 120*sin(4*x) 1500*x*cos(4*x) \ 1 + 25*x / | 2*|- ------------ - 32*atan(5*x)*cos(4*x) - --------------- + -----------------------------| | 2 2 2 | | 1 + 25*x / 2\ / 2\ | \ \1 + 25*x / \1 + 25*x / /