Mister Exam

Derivative of 2arcsin(4/x)

Function f() - derivative -N order at the point
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
      /4\
2*asin|-|
      \x/
$$2 \operatorname{asin}{\left(\frac{4}{x} \right)}$$
2*asin(4/x)
The graph
The first derivative [src]
      -8        
----------------
        ________
 2     /     16 
x *   /  1 - -- 
     /        2 
   \/        x  
$$- \frac{8}{x^{2} \sqrt{1 - \frac{16}{x^{2}}}}$$
The second derivative [src]
   /         8     \
16*|1 + -----------|
   |     2 /    16\|
   |    x *|1 - --||
   |       |     2||
   \       \    x //
--------------------
          ________  
   3     /     16   
  x *   /  1 - --   
       /        2   
     \/        x    
$$\frac{16 \left(1 + \frac{8}{x^{2} \left(1 - \frac{16}{x^{2}}\right)}\right)}{x^{3} \sqrt{1 - \frac{16}{x^{2}}}}$$
The third derivative [src]
    /         56           384     \
-16*|3 + ----------- + ------------|
    |     2 /    16\              2|
    |    x *|1 - --|    4 /    16\ |
    |       |     2|   x *|1 - --| |
    |       \    x /      |     2| |
    \                     \    x / /
------------------------------------
                  ________          
           4     /     16           
          x *   /  1 - --           
               /        2           
             \/        x            
$$- \frac{16 \left(3 + \frac{56}{x^{2} \left(1 - \frac{16}{x^{2}}\right)} + \frac{384}{x^{4} \left(1 - \frac{16}{x^{2}}\right)^{2}}\right)}{x^{4} \sqrt{1 - \frac{16}{x^{2}}}}$$