/ _____\ asin\\/ 2*x /
asin(sqrt(2*x))
___ \/ 2 ------------------- ___ _________ 2*\/ x *\/ 1 - 2*x
___ / 1 2 \ \/ 2 *|- - + -------| \ x 1 - 2*x/ --------------------- ___ _________ 4*\/ x *\/ 1 - 2*x
___ /3 12 4 \ \/ 2 *|-- + ---------- - -----------| | 2 2 x*(1 - 2*x)| \x (1 - 2*x) / ------------------------------------- ___ _________ 8*\/ x *\/ 1 - 2*x