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Derivative of sqrt((2*x+3)/(2*x-3))*ctg(3*x^2+5)

Function f() - derivative -N order at the point
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The solution

You have entered [src]
    _________              
   / 2*x + 3     /   2    \
  /  ------- *cot\3*x  + 5/
\/   2*x - 3               
$$\sqrt{\frac{2 x + 3}{2 x - 3}} \cot{\left(3 x^{2} + 5 \right)}$$
sqrt((2*x + 3)/(2*x - 3))*cot(3*x^2 + 5)
Detail solution
  1. Apply the product rule:

    ; to find :

    1. Let .

    2. Apply the power rule: goes to

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

      1. Apply the quotient rule, which is:

        and .

        To find :

        1. Differentiate term by term:

          1. The derivative of the constant is zero.

          2. The derivative of a constant times a function is the constant times the derivative of the function.

            1. Apply the power rule: goes to

            So, the result is:

          The result is:

        To find :

        1. Differentiate term by term:

          1. The derivative of the constant is zero.

          2. The derivative of a constant times a function is the constant times the derivative of the function.

            1. Apply the power rule: goes to

            So, the result is:

          The result is:

        Now plug in to the quotient rule:

      The result of the chain rule is:

    ; to find :

    1. There are multiple ways to do this derivative.

      Method #1

      1. Rewrite the function to be differentiated:

      2. Let .

      3. Apply the power rule: goes to

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

        1. Rewrite the function to be differentiated:

        2. Apply the quotient rule, which is:

          and .

          To find :

          1. Let .

          2. The derivative of sine is cosine:

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

            1. Differentiate term by term:

              1. The derivative of a constant times a function is the constant times the derivative of the function.

                1. Apply the power rule: goes to

                So, the result is:

              2. The derivative of the constant is zero.

              The result is:

            The result of the chain rule is:

          To find :

          1. Let .

          2. The derivative of cosine is negative sine:

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

            1. Differentiate term by term:

              1. The derivative of a constant times a function is the constant times the derivative of the function.

                1. Apply the power rule: goes to

                So, the result is:

              2. The derivative of the constant is zero.

              The result is:

            The result of the chain rule is:

          Now plug in to the quotient rule:

        The result of the chain rule is:

      Method #2

      1. Rewrite the function to be differentiated:

      2. Apply the quotient rule, which is:

        and .

        To find :

        1. Let .

        2. The derivative of cosine is negative sine:

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

          1. Differentiate term by term:

            1. The derivative of a constant times a function is the constant times the derivative of the function.

              1. Apply the power rule: goes to

              So, the result is:

            2. The derivative of the constant is zero.

            The result is:

          The result of the chain rule is:

        To find :

        1. Let .

        2. The derivative of sine is cosine:

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

          1. Differentiate term by term:

            1. The derivative of a constant times a function is the constant times the derivative of the function.

              1. Apply the power rule: goes to

              So, the result is:

            2. The derivative of the constant is zero.

            The result is:

          The result of the chain rule is:

        Now plug in to the quotient rule:

    The result is:

  2. Now simplify:


The answer is:

The graph
The first derivative [src]
                                              _________                                               
                                             / 2*x + 3  /   1       2*x + 3  \              /   2    \
                                            /  ------- *|------- - ----------|*(2*x - 3)*cot\3*x  + 5/
        _________                         \/   2*x - 3  |2*x - 3            2|                        
       / 2*x + 3  /        2/   2    \\                 \          (2*x - 3) /                        
6*x*  /  ------- *\-1 - cot \3*x  + 5// + ------------------------------------------------------------
    \/   2*x - 3                                                    2*x + 3                           
$$6 x \sqrt{\frac{2 x + 3}{2 x - 3}} \left(- \cot^{2}{\left(3 x^{2} + 5 \right)} - 1\right) + \frac{\sqrt{\frac{2 x + 3}{2 x - 3}} \left(2 x - 3\right) \left(\frac{1}{2 x - 3} - \frac{2 x + 3}{\left(2 x - 3\right)^{2}}\right) \cot{\left(3 x^{2} + 5 \right)}}{2 x + 3}$$
The second derivative [src]
                /                                                                                 /                         3 + 2*x \                                                         \
                |                                                                                 |                     1 - --------|                                                         |
                |                                                                  /    3 + 2*x \ |   2          2          -3 + 2*x|    /       2\        /       2/       2\\ /    3 + 2*x \|
     __________ |                                                                  |1 - --------|*|-------- + ------- - ------------|*cot\5 + 3*x /   12*x*\1 + cot \5 + 3*x //*|1 - --------||
    / 3 + 2*x   |         2/       2\       2 /       2/       2\\    /       2\   \    -3 + 2*x/ \-3 + 2*x   3 + 2*x     3 + 2*x   /                                           \    -3 + 2*x/|
-  /  -------- *|6 + 6*cot \5 + 3*x / - 72*x *\1 + cot \5 + 3*x //*cot\5 + 3*x / + ---------------------------------------------------------------- + ----------------------------------------|
 \/   -3 + 2*x  \                                                                                              3 + 2*x                                                3 + 2*x                 /
$$- \sqrt{\frac{2 x + 3}{2 x - 3}} \left(- 72 x^{2} \left(\cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right) \cot{\left(3 x^{2} + 5 \right)} + \frac{12 x \left(1 - \frac{2 x + 3}{2 x - 3}\right) \left(\cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right)}{2 x + 3} + \frac{\left(1 - \frac{2 x + 3}{2 x - 3}\right) \left(- \frac{1 - \frac{2 x + 3}{2 x - 3}}{2 x + 3} + \frac{2}{2 x + 3} + \frac{2}{2 x - 3}\right) \cot{\left(3 x^{2} + 5 \right)}}{2 x + 3} + 6 \cot^{2}{\left(3 x^{2} + 5 \right)} + 6\right)$$
The third derivative [src]
               /                                                                                                                                                                                                      /                                         2                                                                 \                                                                                             \
               |                                                                                                                                                                                                      |                           /    3 + 2*x \      /    3 + 2*x \                              /    3 + 2*x \  |                                                                                             |
               |                                                                                                                                                                                                      |                           |1 - --------|    6*|1 - --------|                            6*|1 - --------|  |                                                          /                         3 + 2*x \|
               |                                                                                                                                                                                       /    3 + 2*x \ |     8            8        \    -3 + 2*x/      \    -3 + 2*x/            8                 \    -3 + 2*x/  |    /       2\                                            |                     1 - --------||
               |                                                                                                      /    3 + 2*x \ /       2/       2\       2 /       2/       2\\    /       2\\   |1 - --------|*|----------- + ---------- + --------------- - ---------------- + -------------------- - --------------------|*cot\5 + 3*x /        /       2/       2\\ /    3 + 2*x \ |   2          2          -3 + 2*x||
    __________ |                                                                                                   18*|1 - --------|*\1 + cot \5 + 3*x / - 12*x *\1 + cot \5 + 3*x //*cot\5 + 3*x //   \    -3 + 2*x/ |          2            2               2                 2      (-3 + 2*x)*(3 + 2*x)   (-3 + 2*x)*(3 + 2*x)|                 18*x*\1 + cot \5 + 3*x //*|1 - --------|*|-------- + ------- - ------------||
   / 3 + 2*x   |        /       2/       2\\ /     /       2\      2 /       2/       2\\      2    2/       2\\      \    -3 + 2*x/                                                                                  \(-3 + 2*x)    (3 + 2*x)       (3 + 2*x)         (3 + 2*x)                                                  /                                           \    -3 + 2*x/ \-3 + 2*x   3 + 2*x     3 + 2*x   /|
  /  -------- *|- 216*x*\1 + cot \5 + 3*x //*\- cot\5 + 3*x / + 2*x *\1 + cot \5 + 3*x // + 4*x *cot \5 + 3*x // - --------------------------------------------------------------------------------- + ------------------------------------------------------------------------------------------------------------------------------------------ + ----------------------------------------------------------------------------|
\/   -3 + 2*x  \                                                                                                                                        3 + 2*x                                                                                                         3 + 2*x                                                                                                       3 + 2*x                                   /
$$\sqrt{\frac{2 x + 3}{2 x - 3}} \left(\frac{18 x \left(1 - \frac{2 x + 3}{2 x - 3}\right) \left(\cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right) \left(- \frac{1 - \frac{2 x + 3}{2 x - 3}}{2 x + 3} + \frac{2}{2 x + 3} + \frac{2}{2 x - 3}\right)}{2 x + 3} - 216 x \left(\cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right) \left(2 x^{2} \left(\cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right) + 4 x^{2} \cot^{2}{\left(3 x^{2} + 5 \right)} - \cot{\left(3 x^{2} + 5 \right)}\right) - \frac{18 \left(1 - \frac{2 x + 3}{2 x - 3}\right) \left(- 12 x^{2} \left(\cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right) \cot{\left(3 x^{2} + 5 \right)} + \cot^{2}{\left(3 x^{2} + 5 \right)} + 1\right)}{2 x + 3} + \frac{\left(1 - \frac{2 x + 3}{2 x - 3}\right) \left(\frac{\left(1 - \frac{2 x + 3}{2 x - 3}\right)^{2}}{\left(2 x + 3\right)^{2}} - \frac{6 \left(1 - \frac{2 x + 3}{2 x - 3}\right)}{\left(2 x + 3\right)^{2}} - \frac{6 \left(1 - \frac{2 x + 3}{2 x - 3}\right)}{\left(2 x - 3\right) \left(2 x + 3\right)} + \frac{8}{\left(2 x + 3\right)^{2}} + \frac{8}{\left(2 x - 3\right) \left(2 x + 3\right)} + \frac{8}{\left(2 x - 3\right)^{2}}\right) \cot{\left(3 x^{2} + 5 \right)}}{2 x + 3}\right)$$