/ _____\ acot\\/ 2*x /
acot(sqrt(2*x))
___ -\/ 2 ----------------- ___ 2*\/ x *(1 + 2*x)
___ / 1 1 \ \/ 2 *|------- + ---| \1 + 2*x 4*x/ --------------------- ___ \/ x *(1 + 2*x)
___ / 4 3 1 \ -\/ 2 *|---------- + ---- + -----------| | 2 2 x*(1 + 2*x)| \(1 + 2*x) 8*x / ----------------------------------------- ___ \/ x *(1 + 2*x)