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Derivative of (sqrt(3x+2))^arctg(3x)

Function f() - derivative -N order at the point
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           atan(3*x)
  _________         
\/ 3*x + 2          
$$\left(\sqrt{3 x + 2}\right)^{\operatorname{atan}{\left(3 x \right)}}$$
(sqrt(3*x + 2))^atan(3*x)
Detail solution
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    But the derivative is


The answer is:

The graph
The first derivative [src]
         atan(3*x)                                   
         --------- /     /  _________\              \
             2     |3*log\\/ 3*x + 2 /   3*atan(3*x)|
(3*x + 2)         *|------------------ + -----------|
                   |            2        2*(3*x + 2)|
                   \     1 + 9*x                    /
$$\left(3 x + 2\right)^{\frac{\operatorname{atan}{\left(3 x \right)}}{2}} \left(\frac{3 \log{\left(\sqrt{3 x + 2} \right)}}{9 x^{2} + 1} + \frac{3 \operatorname{atan}{\left(3 x \right)}}{2 \left(3 x + 2\right)}\right)$$
The second derivative [src]
                     /                                                                 /                 /  _________\\                       \
                     |                                      /log(2 + 3*x)   atan(3*x)\ |atan(3*x)   2*log\\/ 2 + 3*x /|                       |
           atan(3*x) |                                      |------------ + ---------|*|--------- + ------------------|                       |
           --------- |                                      |         2      2 + 3*x | | 2 + 3*x                2     |          /  _________\|
               2     |         1              atan(3*x)     \  1 + 9*x               / \                 1 + 9*x      /   6*x*log\\/ 2 + 3*x /|
9*(2 + 3*x)         *|-------------------- - ------------ + ----------------------------------------------------------- - --------------------|
                     |/       2\                        2                                4                                              2     |
                     |\1 + 9*x /*(2 + 3*x)   2*(2 + 3*x)                                                                      /       2\      |
                     \                                                                                                        \1 + 9*x /      /
$$9 \left(3 x + 2\right)^{\frac{\operatorname{atan}{\left(3 x \right)}}{2}} \left(- \frac{6 x \log{\left(\sqrt{3 x + 2} \right)}}{\left(9 x^{2} + 1\right)^{2}} + \frac{\left(\frac{2 \log{\left(\sqrt{3 x + 2} \right)}}{9 x^{2} + 1} + \frac{\operatorname{atan}{\left(3 x \right)}}{3 x + 2}\right) \left(\frac{\log{\left(3 x + 2 \right)}}{9 x^{2} + 1} + \frac{\operatorname{atan}{\left(3 x \right)}}{3 x + 2}\right)}{4} + \frac{1}{\left(3 x + 2\right) \left(9 x^{2} + 1\right)} - \frac{\operatorname{atan}{\left(3 x \right)}}{2 \left(3 x + 2\right)^{2}}\right)$$
The third derivative [src]
                      /                                                                                       /                                            /  _________\\   /                 /  _________\\                                                                                                                                                                       \
                      |                                                            /log(2 + 3*x)   atan(3*x)\ |atan(3*x)             2             12*x*log\\/ 2 + 3*x /|   |atan(3*x)   2*log\\/ 2 + 3*x /| /atan(3*x)             2             6*x*log(2 + 3*x)\                             2 /                 /  _________\\                                                 |
                      |                                                            |------------ + ---------|*|---------- - -------------------- + ---------------------|   |--------- + ------------------|*|---------- - -------------------- + ----------------|   /log(2 + 3*x)   atan(3*x)\  |atan(3*x)   2*log\\/ 2 + 3*x /|                                                 |
            atan(3*x) |                                                            |         2      2 + 3*x | |         2   /       2\                            2     |   | 2 + 3*x                2     | |         2   /       2\                         2   |   |------------ + ---------| *|--------- + ------------------|                                                 |
            --------- |                  /  _________\                             \  1 + 9*x               / |(2 + 3*x)    \1 + 9*x /*(2 + 3*x)        /       2\      |   \                 1 + 9*x      / |(2 + 3*x)    \1 + 9*x /*(2 + 3*x)     /       2\    |   |         2      2 + 3*x |  | 2 + 3*x                2     |                               2    /  _________\|
                2     |atan(3*x)    2*log\\/ 2 + 3*x /              3                                         \                                         \1 + 9*x /      /                                    \                                      \1 + 9*x /    /   \  1 + 9*x               /  \                 1 + 9*x      /            9*x            72*x *log\\/ 2 + 3*x /|
27*(2 + 3*x)         *|---------- - ------------------ - ----------------------- - -------------------------------------------------------------------------------------- - --------------------------------------------------------------------------------------- + ------------------------------------------------------------ - --------------------- + ----------------------|
                      |         3                2         /       2\          2                                             2                                                                                         4                                                                           8                                           2                            3      |
                      |(2 + 3*x)       /       2\        2*\1 + 9*x /*(2 + 3*x)                                                                                                                                                                                                                                                      /       2\                   /       2\       |
                      \                \1 + 9*x /                                                                                                                                                                                                                                                                                    \1 + 9*x / *(2 + 3*x)        \1 + 9*x /       /
$$27 \left(3 x + 2\right)^{\frac{\operatorname{atan}{\left(3 x \right)}}{2}} \left(\frac{72 x^{2} \log{\left(\sqrt{3 x + 2} \right)}}{\left(9 x^{2} + 1\right)^{3}} - \frac{9 x}{\left(3 x + 2\right) \left(9 x^{2} + 1\right)^{2}} + \frac{\left(\frac{2 \log{\left(\sqrt{3 x + 2} \right)}}{9 x^{2} + 1} + \frac{\operatorname{atan}{\left(3 x \right)}}{3 x + 2}\right) \left(\frac{\log{\left(3 x + 2 \right)}}{9 x^{2} + 1} + \frac{\operatorname{atan}{\left(3 x \right)}}{3 x + 2}\right)^{2}}{8} - \frac{\left(\frac{2 \log{\left(\sqrt{3 x + 2} \right)}}{9 x^{2} + 1} + \frac{\operatorname{atan}{\left(3 x \right)}}{3 x + 2}\right) \left(\frac{6 x \log{\left(3 x + 2 \right)}}{\left(9 x^{2} + 1\right)^{2}} - \frac{2}{\left(3 x + 2\right) \left(9 x^{2} + 1\right)} + \frac{\operatorname{atan}{\left(3 x \right)}}{\left(3 x + 2\right)^{2}}\right)}{4} - \frac{\left(\frac{\log{\left(3 x + 2 \right)}}{9 x^{2} + 1} + \frac{\operatorname{atan}{\left(3 x \right)}}{3 x + 2}\right) \left(\frac{12 x \log{\left(\sqrt{3 x + 2} \right)}}{\left(9 x^{2} + 1\right)^{2}} - \frac{2}{\left(3 x + 2\right) \left(9 x^{2} + 1\right)} + \frac{\operatorname{atan}{\left(3 x \right)}}{\left(3 x + 2\right)^{2}}\right)}{2} - \frac{2 \log{\left(\sqrt{3 x + 2} \right)}}{\left(9 x^{2} + 1\right)^{2}} - \frac{3}{2 \left(3 x + 2\right)^{2} \left(9 x^{2} + 1\right)} + \frac{\operatorname{atan}{\left(3 x \right)}}{\left(3 x + 2\right)^{3}}\right)$$