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Derivative of arccos(x-3*ln(1+x^2))

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

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The solution

You have entered [src]
    /         /     2\\
acos\x - 3*log\1 + x //
$$\operatorname{acos}{\left(x - 3 \log{\left(x^{2} + 1 \right)} \right)}$$
acos(x - 3*log(1 + x^2))
The graph
The first derivative [src]
         /     6*x  \         
        -|1 - ------|         
         |         2|         
         \    1 + x /         
------------------------------
    __________________________
   /                        2 
  /      /         /     2\\  
\/   1 - \x - 3*log\1 + x //  
$$- \frac{- \frac{6 x}{x^{2} + 1} + 1}{\sqrt{1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}}}$$
The second derivative [src]
 /  /         2 \                2                    \ 
 |  |      2*x  |   /      6*x  \  /         /     2\\| 
 |6*|-1 + ------|   |-1 + ------| *\x - 3*log\1 + x //| 
 |  |          2|   |          2|                     | 
 |  \     1 + x /   \     1 + x /                     | 
-|--------------- + ----------------------------------| 
 |          2                                   2     | 
 |     1 + x                 /         /     2\\      | 
 \                       1 - \x - 3*log\1 + x //      / 
--------------------------------------------------------
                 __________________________             
                /                        2              
               /      /         /     2\\               
             \/   1 - \x - 3*log\1 + x //               
$$- \frac{\frac{6 \left(\frac{2 x^{2}}{x^{2} + 1} - 1\right)}{x^{2} + 1} + \frac{\left(x - 3 \log{\left(x^{2} + 1 \right)}\right) \left(\frac{6 x}{x^{2} + 1} - 1\right)^{2}}{1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}}}{\sqrt{1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}}}$$
The third derivative [src]
                  3                       3                    2        /         2 \      /         2 \                                  
     /      6*x  \           /      6*x  \  /         /     2\\         |      4*x  |      |      2*x  | /      6*x  \ /         /     2\\
     |-1 + ------|         3*|-1 + ------| *\x - 3*log\1 + x //    12*x*|-3 + ------|   18*|-1 + ------|*|-1 + ------|*\x - 3*log\1 + x //
     |          2|           |          2|                              |          2|      |          2| |          2|                    
     \     1 + x /           \     1 + x /                              \     1 + x /      \     1 + x / \     1 + x /                    
------------------------ + ------------------------------------- + ------------------ + --------------------------------------------------
                       2                                  2                    2                        /                       2\        
    /         /     2\\         /                       2\             /     2\                /     2\ |    /         /     2\\ |        
1 - \x - 3*log\1 + x //         |    /         /     2\\ |             \1 + x /                \1 + x /*\1 - \x - 3*log\1 + x // /        
                                \1 - \x - 3*log\1 + x // /                                                                                
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                                                        /      /         /     2\\                                                        
                                                      \/   1 - \x - 3*log\1 + x //                                                        
$$\frac{\frac{12 x \left(\frac{4 x^{2}}{x^{2} + 1} - 3\right)}{\left(x^{2} + 1\right)^{2}} + \frac{18 \left(x - 3 \log{\left(x^{2} + 1 \right)}\right) \left(\frac{6 x}{x^{2} + 1} - 1\right) \left(\frac{2 x^{2}}{x^{2} + 1} - 1\right)}{\left(1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}\right) \left(x^{2} + 1\right)} + \frac{\left(\frac{6 x}{x^{2} + 1} - 1\right)^{3}}{1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}} + \frac{3 \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2} \left(\frac{6 x}{x^{2} + 1} - 1\right)^{3}}{\left(1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}\right)^{2}}}{\sqrt{1 - \left(x - 3 \log{\left(x^{2} + 1 \right)}\right)^{2}}}$$