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sqrt(x^2+16)

Derivative of sqrt(x^2+16)

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
   _________
  /  2      
\/  x  + 16 
$$\sqrt{x^{2} + 16}$$
  /   _________\
d |  /  2      |
--\\/  x  + 16 /
dx              
$$\frac{d}{d x} \sqrt{x^{2} + 16}$$
Detail solution
  1. Let .

  2. Apply the power rule: goes to

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

    1. Differentiate term by term:

      1. Apply the power rule: goes to

      2. The derivative of the constant is zero.

      The result is:

    The result of the chain rule is:

  4. Now simplify:


The answer is:

The graph
The first derivative [src]
     x      
------------
   _________
  /  2      
\/  x  + 16 
$$\frac{x}{\sqrt{x^{2} + 16}}$$
The second derivative [src]
        2   
       x    
1 - ------- 
          2 
    16 + x  
------------
   _________
  /       2 
\/  16 + x  
$$\frac{- \frac{x^{2}}{x^{2} + 16} + 1}{\sqrt{x^{2} + 16}}$$
The third derivative [src]
    /         2  \
    |        x   |
3*x*|-1 + -------|
    |           2|
    \     16 + x /
------------------
            3/2   
   /      2\      
   \16 + x /      
$$\frac{3 x \left(\frac{x^{2}}{x^{2} + 16} - 1\right)}{\left(x^{2} + 16\right)^{\frac{3}{2}}}$$
The graph
Derivative of sqrt(x^2+16)