1 ----------------- ___ _______ 2*\/ x *\/ 1 - x
1/((2*sqrt(x))*sqrt(1 - x))
0.5*x^(-0.5)*(1.0 - x)^(-0.5)
_______ -\/ 1 - x ---------------- ___ 2*\/ x *(-1 + x)
-sqrt(1 - x)/(2*sqrt(x)*(-1 + x))
1 --------------- ___________ 2*\/ x*(1 - x)
1/(2*sqrt(x*(1 - x)))
/ 1 \ |-------| | ___| \2*\/ x / --------- _______ \/ 1 - x
(1/(2*sqrt(x)))/sqrt(1 - x)