Mister Exam

Other calculators

Derivative of (1+x)*sqrt(1+sqrtx)

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
           ___________
          /       ___ 
(1 + x)*\/  1 + \/ x  
$$\sqrt{\sqrt{x} + 1} \left(x + 1\right)$$
(1 + x)*sqrt(1 + sqrt(x))
Detail solution
  1. Apply the product rule:

    ; to find :

    1. Differentiate term by term:

      1. The derivative of the constant is zero.

      2. Apply the power rule: goes to

      The result is:

    ; to find :

    1. Let .

    2. Apply the power rule: goes to

    3. Then, apply the chain rule. Multiply by :

      1. Differentiate term by term:

        1. The derivative of the constant is zero.

        2. Apply the power rule: goes to

        The result is:

      The result of the chain rule is:

    The result is:

  2. Now simplify:


The answer is:

The graph
The first derivative [src]
   ___________                         
  /       ___            1 + x         
\/  1 + \/ x   + ----------------------
                            ___________
                     ___   /       ___ 
                 4*\/ x *\/  1 + \/ x  
$$\sqrt{\sqrt{x} + 1} + \frac{x + 1}{4 \sqrt{x} \sqrt{\sqrt{x} + 1}}$$
The second derivative [src]
  8             / 2           1      \
----- - (1 + x)*|---- + -------------|
  ___           | 3/2     /      ___\|
\/ x            \x      x*\1 + \/ x //
--------------------------------------
                ___________           
               /       ___            
          16*\/  1 + \/ x             
$$\frac{- \left(x + 1\right) \left(\frac{1}{x \left(\sqrt{x} + 1\right)} + \frac{2}{x^{\frac{3}{2}}}\right) + \frac{8}{\sqrt{x}}}{16 \sqrt{\sqrt{x} + 1}}$$
The third derivative [src]
  /   8             / 4             1                 2       \         4      \
3*|- ---- + (1 + x)*|---- + ----------------- + --------------| - -------------|
  |   3/2           | 5/2                   2    2 /      ___\|     /      ___\|
  |  x              |x       3/2 /      ___\    x *\1 + \/ x /|   x*\1 + \/ x /|
  \                 \       x   *\1 + \/ x /                  /                /
--------------------------------------------------------------------------------
                                     ___________                                
                                    /       ___                                 
                               64*\/  1 + \/ x                                  
$$\frac{3 \left(\left(x + 1\right) \left(\frac{2}{x^{2} \left(\sqrt{x} + 1\right)} + \frac{1}{x^{\frac{3}{2}} \left(\sqrt{x} + 1\right)^{2}} + \frac{4}{x^{\frac{5}{2}}}\right) - \frac{4}{x \left(\sqrt{x} + 1\right)} - \frac{8}{x^{\frac{3}{2}}}\right)}{64 \sqrt{\sqrt{x} + 1}}$$