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Derivative of asin(sqrt(x*a))

Function f() - derivative -N order at the point
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The solution

You have entered [src]
    /  _____\
asin\\/ x*a /
$$\operatorname{asin}{\left(\sqrt{a x} \right)}$$
asin(sqrt(x*a))
The first derivative [src]
      _____    
    \/ a*x     
---------------
      _________
2*x*\/ 1 - x*a 
$$\frac{\sqrt{a x}}{2 x \sqrt{- a x + 1}}$$
The second derivative [src]
  _____ /  1      a   \
\/ a*x *|- - + -------|
        \  x   1 - a*x/
-----------------------
          _________    
    4*x*\/ 1 - a*x     
$$\frac{\sqrt{a x} \left(\frac{a}{- a x + 1} - \frac{1}{x}\right)}{4 x \sqrt{- a x + 1}}$$
The third derivative [src]
        /           2                 \
  _____ |3       3*a           2*a    |
\/ a*x *|-- + ---------- - -----------|
        | 2            2   x*(1 - a*x)|
        \x    (1 - a*x)               /
---------------------------------------
                  _________            
            8*x*\/ 1 - a*x             
$$\frac{\sqrt{a x} \left(\frac{3 a^{2}}{\left(- a x + 1\right)^{2}} - \frac{2 a}{x \left(- a x + 1\right)} + \frac{3}{x^{2}}\right)}{8 x \sqrt{- a x + 1}}$$