1 ------------- ___ (1 + x)*\/ x
1/((1 + x)*sqrt(x))
1/sqrt(x) - sqrt(x)/(1 + x)
___ 1 \/ x ----- - ----- ___ 1 + x \/ x
___ \/ x --------- x*(1 + x)
sqrt(x)/(x*(1 + x))
x^(-0.5)/(1.0 + x)
1 ------------ ___ 3/2 \/ x + x
1/(sqrt(x) + x^(3/2))