1 / | | /2*x + 1\ | atan|-------| dx | | ___ | | \ \/ 3 / | / 0
Integral(atan((2*x + 1)/sqrt(3)), (x, 0, 1))
/ / 2\ \
| | (2*x + 1) | |
| log|1 + ----------| ___ |
___ | \ 3 / \/ 3 /2*x + 1\|
/ \/ 3 *|- ------------------- + -----*(2*x + 1)*atan|-------||
| | 2 3 | ___ ||
| /2*x + 1\ \ \ \/ 3 //
| atan|-------| dx = C + -------------------------------------------------------------
| | ___ | 2
| \ \/ 3 /
|
/
___ 5*pi \/ 3 *log(3) ---- - ------------ 12 4
=
___ 5*pi \/ 3 *log(3) ---- - ------------ 12 4
5*pi/12 - sqrt(3)*log(3)/4
Use the examples entering the upper and lower limits of integration.