oo / | | x*atan(x) | ----------- dx | ________ | 3 / 4 | \/ 1 + x | / 0
/ / | | | x*atan(x) | x*atan(x) | ----------- dx = C + | ----------- dx | ________ | ________ | 3 / 4 | 3 / 4 | \/ 1 + x | \/ 1 + x | | / /
oo / | | x*atan(x) | ----------- dx | ________ | 3 / 4 | \/ 1 + x | / 0
=
oo / | | x*atan(x) | ----------- dx | ________ | 3 / 4 | \/ 1 + x | / 0
Use the examples entering the upper and lower limits of integration.