1 / | | ___ / ___\ | \/ x *atan\\/ x / dx | / 0
/ | 3/2 / ___\ | ___ / ___\ x log(1 + x) 2*x *atan\\/ x / | \/ x *atan\\/ x / dx = C - - + ---------- + ------------------ | 3 3 3 /
1 log(2) pi - - + ------ + -- 3 3 6
=
1 log(2) pi - - + ------ + -- 3 3 6
Use the examples entering the upper and lower limits of integration.