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sqrt(x^2+1)/x

You entered:

sqrt(x^2+1)/x

What you mean?

Derivative of sqrt(x^2+1)/x

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
   ________
  /  2     
\/  x  + 1 
-----------
     x     
$$\frac{\sqrt{x^{2} + 1}}{x}$$
  /   ________\
  |  /  2     |
d |\/  x  + 1 |
--|-----------|
dx\     x     /
$$\frac{d}{d x} \frac{\sqrt{x^{2} + 1}}{x}$$
Detail solution
  1. Apply the quotient rule, which is:

    and .

    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:

    To find :

    1. Apply the power rule: goes to

    Now plug in to the quotient rule:

  2. Now simplify:


The answer is:

The graph
The first derivative [src]
                 ________
                /  2     
     1        \/  x  + 1 
----------- - -----------
   ________         2    
  /  2             x     
\/  x  + 1               
$$\frac{1}{\sqrt{x^{2} + 1}} - \frac{\sqrt{x^{2} + 1}}{x^{2}}$$
The second derivative [src]
                        2                  
                       x                   
                -1 + ------        ________
                          2       /      2 
       2             1 + x    2*\/  1 + x  
- ----------- - ----------- + -------------
     ________      ________          2     
    /      2      /      2          x      
  \/  1 + x     \/  1 + x                  
-------------------------------------------
                     x                     
$$\frac{- \frac{\frac{x^{2}}{x^{2} + 1} - 1}{\sqrt{x^{2} + 1}} - \frac{2}{\sqrt{x^{2} + 1}} + \frac{2 \sqrt{x^{2} + 1}}{x^{2}}}{x}$$
The third derivative [src]
  /        2                                               2    \
  |       x                                               x     |
  |-1 + ------        ________                     -1 + ------  |
  |          2       /      2                                2  |
  |     1 + x    2*\/  1 + x           2                1 + x   |
3*|----------- - ------------- + -------------- + --------------|
  |        3/2          4              ________         ________|
  |/     2\            x          2   /      2     2   /      2 |
  \\1 + x /                      x *\/  1 + x     x *\/  1 + x  /
$$3 \left(\frac{\frac{x^{2}}{x^{2} + 1} - 1}{\left(x^{2} + 1\right)^{\frac{3}{2}}} + \frac{\frac{x^{2}}{x^{2} + 1} - 1}{x^{2} \sqrt{x^{2} + 1}} + \frac{2}{x^{2} \sqrt{x^{2} + 1}} - \frac{2 \sqrt{x^{2} + 1}}{x^{4}}\right)$$
The graph
Derivative of sqrt(x^2+1)/x