/ | | 5 | ------ dx | 2 | 9 + x | /
5 5
------ = --------------
2 / 2 \
9 + x |/-x \ |
9*||---| + 1|
\\ 3 / // | | 5 | ------ dx | 2 = | 9 + x | /
/
|
| 1
5* | ---------- dx
| 2
| /-x \
| |---| + 1
| \ 3 /
|
/
------------------
9 /
|
| 1
5* | ---------- dx
| 2
| /-x \
| |---| + 1
| \ 3 /
|
/
------------------
9 -x
v = ---
3 /
|
| 1
5* | ------ dv
| 2
| 1 + v
|
/ 5*atan(v)
-------------- = ---------
9 9 /
|
| 1
5* | ---------- dx
| 2
| /-x \
| |---| + 1
| \ 3 / /x\
| 5*atan|-|
/ \3/
------------------ = ---------
9 3 /x\
5*atan|-|
\3/
C + ---------
3 1 / | | 5 5*atan(1/3) | ------ dx = ----------- | 2 3 | 9 + x | / 0
0.536250923994404