x x*E *atan(x)
(x*E^x)*atan(x)
x / x x\ x*e \E + x*e /*atan(x) + ------ 2 1 + x
/ 2 \ | 2*x 2*(1 + x)| x |(2 + x)*atan(x) - --------- + ---------|*e | 2 2 | | / 2\ 1 + x | \ \1 + x / /
/ / 2 \\ | | 4*x || | 2*x*|-1 + ------|| | | 2|| | 3*(2 + x) 6*x*(1 + x) \ 1 + x /| x |(3 + x)*atan(x) + --------- - ----------- + -----------------|*e | 2 2 2 | | 1 + x / 2\ / 2\ | \ \1 + x / \1 + x / /