/ __________\
| / 2 |
acot\\/ 3*x - 1 /
acot(sqrt(3*x^2 - 1))
-1
---------------
__________
/ 2
x*\/ 3*x - 1
1 3 -- + --------- 2 2 x -1 + 3*x -------------- ___________ / 2 \/ -1 + 3*x
/2 3 27*x \
-|-- + ------------- + ------------|
| 3 / 2\ 2|
|x x*\-1 + 3*x / / 2\ |
\ \-1 + 3*x / /
-------------------------------------
___________
/ 2
\/ -1 + 3*x