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y=xln(sinsqrtxlnx+tg4x)

Derivada de y=xln(sinsqrtxlnx+tg4x)

Función f() - derivada -er orden en el punto
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Solución

Ha introducido [src]
     /   /  ___\                  \
x*log\sin\\/ x /*log(x) + tan(4*x)/
xlog(log(x)sin(x)+tan(4x))x \log{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} \right)}
x*log(sin(sqrt(x))*log(x) + tan(4*x))
Solución detallada
  1. Se aplica la regla de la derivada de una multiplicación:

    ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)\frac{d}{d x} f{\left(x \right)} g{\left(x \right)} = f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}

    f(x)=xf{\left(x \right)} = x; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

    1. Según el principio, aplicamos: xx tenemos 11

    g(x)=log(log(x)sin(x)+tan(4x))g{\left(x \right)} = \log{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

    1. Sustituimos u=log(x)sin(x)+tan(4x)u = \log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}.

    2. Derivado log(u)\log{\left(u \right)} es 1u\frac{1}{u}.

    3. Luego se aplica una cadena de reglas. Multiplicamos por ddx(log(x)sin(x)+tan(4x))\frac{d}{d x} \left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right):

      1. diferenciamos log(x)sin(x)+tan(4x)\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} miembro por miembro:

        1. Se aplica la regla de la derivada de una multiplicación:

          ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)\frac{d}{d x} f{\left(x \right)} g{\left(x \right)} = f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}

          f(x)=sin(x)f{\left(x \right)} = \sin{\left(\sqrt{x} \right)}; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

          1. Sustituimos u=xu = \sqrt{x}.

          2. La derivada del seno es igual al coseno:

            ddusin(u)=cos(u)\frac{d}{d u} \sin{\left(u \right)} = \cos{\left(u \right)}

          3. Luego se aplica una cadena de reglas. Multiplicamos por ddxx\frac{d}{d x} \sqrt{x}:

            1. Según el principio, aplicamos: x\sqrt{x} tenemos 12x\frac{1}{2 \sqrt{x}}

            Como resultado de la secuencia de reglas:

            cos(x)2x\frac{\cos{\left(\sqrt{x} \right)}}{2 \sqrt{x}}

          g(x)=log(x)g{\left(x \right)} = \log{\left(x \right)}; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

          1. Derivado log(x)\log{\left(x \right)} es 1x\frac{1}{x}.

          Como resultado de: sin(x)x+log(x)cos(x)2x\frac{\sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{2 \sqrt{x}}

        2. Reescribimos las funciones para diferenciar:

          tan(4x)=sin(4x)cos(4x)\tan{\left(4 x \right)} = \frac{\sin{\left(4 x \right)}}{\cos{\left(4 x \right)}}

        3. Se aplica la regla de la derivada parcial:

          ddxf(x)g(x)=f(x)ddxg(x)+g(x)ddxf(x)g2(x)\frac{d}{d x} \frac{f{\left(x \right)}}{g{\left(x \right)}} = \frac{- f{\left(x \right)} \frac{d}{d x} g{\left(x \right)} + g{\left(x \right)} \frac{d}{d x} f{\left(x \right)}}{g^{2}{\left(x \right)}}

          f(x)=sin(4x)f{\left(x \right)} = \sin{\left(4 x \right)} y g(x)=cos(4x)g{\left(x \right)} = \cos{\left(4 x \right)}.

          Para calcular ddxf(x)\frac{d}{d x} f{\left(x \right)}:

          1. Sustituimos u=4xu = 4 x.

          2. La derivada del seno es igual al coseno:

            ddusin(u)=cos(u)\frac{d}{d u} \sin{\left(u \right)} = \cos{\left(u \right)}

          3. Luego se aplica una cadena de reglas. Multiplicamos por ddx4x\frac{d}{d x} 4 x:

            1. La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.

              1. Según el principio, aplicamos: xx tenemos 11

              Entonces, como resultado: 44

            Como resultado de la secuencia de reglas:

            4cos(4x)4 \cos{\left(4 x \right)}

          Para calcular ddxg(x)\frac{d}{d x} g{\left(x \right)}:

          1. Sustituimos u=4xu = 4 x.

          2. La derivada del coseno es igual a menos el seno:

            dducos(u)=sin(u)\frac{d}{d u} \cos{\left(u \right)} = - \sin{\left(u \right)}

          3. Luego se aplica una cadena de reglas. Multiplicamos por ddx4x\frac{d}{d x} 4 x:

            1. La derivada del producto de una constante por función es igual al producto de esta constante por la derivada de esta función.

              1. Según el principio, aplicamos: xx tenemos 11

              Entonces, como resultado: 44

            Como resultado de la secuencia de reglas:

            4sin(4x)- 4 \sin{\left(4 x \right)}

          Ahora aplicamos la regla de la derivada de una divesión:

          4sin2(4x)+4cos2(4x)cos2(4x)\frac{4 \sin^{2}{\left(4 x \right)} + 4 \cos^{2}{\left(4 x \right)}}{\cos^{2}{\left(4 x \right)}}

        Como resultado de: 4sin2(4x)+4cos2(4x)cos2(4x)+sin(x)x+log(x)cos(x)2x\frac{4 \sin^{2}{\left(4 x \right)} + 4 \cos^{2}{\left(4 x \right)}}{\cos^{2}{\left(4 x \right)}} + \frac{\sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{2 \sqrt{x}}

      Como resultado de la secuencia de reglas:

      4sin2(4x)+4cos2(4x)cos2(4x)+sin(x)x+log(x)cos(x)2xlog(x)sin(x)+tan(4x)\frac{\frac{4 \sin^{2}{\left(4 x \right)} + 4 \cos^{2}{\left(4 x \right)}}{\cos^{2}{\left(4 x \right)}} + \frac{\sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{2 \sqrt{x}}}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}}

    Como resultado de: x(4sin2(4x)+4cos2(4x)cos2(4x)+sin(x)x+log(x)cos(x)2x)log(x)sin(x)+tan(4x)+log(log(x)sin(x)+tan(4x))\frac{x \left(\frac{4 \sin^{2}{\left(4 x \right)} + 4 \cos^{2}{\left(4 x \right)}}{\cos^{2}{\left(4 x \right)}} + \frac{\sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{2 \sqrt{x}}\right)}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}} + \log{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} \right)}

  2. Simplificamos:

    4x32+x(log(x)sin(x)+tan(4x))log(log(x)sin(x)+tan(4x))cos2(4x)+xsin(x)cos2(4x)+xlog(x)cos(x)cos2(4x)2x(log(x)sin(x)+tan(4x))cos2(4x)\frac{4 x^{\frac{3}{2}} + \sqrt{x} \left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right) \log{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} \right)} \cos^{2}{\left(4 x \right)} + \sqrt{x} \sin{\left(\sqrt{x} \right)} \cos^{2}{\left(4 x \right)} + \frac{x \log{\left(x \right)} \cos{\left(\sqrt{x} \right)} \cos^{2}{\left(4 x \right)}}{2}}{\sqrt{x} \left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right) \cos^{2}{\left(4 x \right)}}


Respuesta:

4x32+x(log(x)sin(x)+tan(4x))log(log(x)sin(x)+tan(4x))cos2(4x)+xsin(x)cos2(4x)+xlog(x)cos(x)cos2(4x)2x(log(x)sin(x)+tan(4x))cos2(4x)\frac{4 x^{\frac{3}{2}} + \sqrt{x} \left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right) \log{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} \right)} \cos^{2}{\left(4 x \right)} + \sqrt{x} \sin{\left(\sqrt{x} \right)} \cos^{2}{\left(4 x \right)} + \frac{x \log{\left(x \right)} \cos{\left(\sqrt{x} \right)} \cos^{2}{\left(4 x \right)}}{2}}{\sqrt{x} \left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right) \cos^{2}{\left(4 x \right)}}

Gráfica
02468-8-6-4-2-1010-10001000
Primera derivada [src]
  /                     /  ___\      /  ___\       \                                    
  |         2        sin\\/ x /   cos\\/ x /*log(x)|                                    
x*|4 + 4*tan (4*x) + ---------- + -----------------|                                    
  |                      x                 ___     |                                    
  \                                    2*\/ x      /      /   /  ___\                  \
---------------------------------------------------- + log\sin\\/ x /*log(x) + tan(4*x)/
               /  ___\                                                                  
            sin\\/ x /*log(x) + tan(4*x)                                                
x(4tan2(4x)+4+sin(x)x+log(x)cos(x)2x)log(x)sin(x)+tan(4x)+log(log(x)sin(x)+tan(4x))\frac{x \left(4 \tan^{2}{\left(4 x \right)} + 4 + \frac{\sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{2 \sqrt{x}}\right)}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}} + \log{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)} \right)}
Segunda derivada [src]
                                   /                                                    2                                                                                                     \                    
                                   |/                       /  ___\      /  ___\       \                                                                                                      |                    
                                   ||         2        2*sin\\/ x /   cos\\/ x /*log(x)|                                                                                                      |                    
                                   ||8 + 8*tan (4*x) + ------------ + -----------------|                                                                                                      |                    
                                   ||                       x                 ___      |                                        /  ___\        /  ___\             /  ___\      /  ___\       |                    
                                   |\                                       \/ x       /        /       2     \            4*cos\\/ x /   4*sin\\/ x /   log(x)*sin\\/ x /   cos\\/ x /*log(x)|                    
                                 x*|----------------------------------------------------- - 128*\1 + tan (4*x)/*tan(4*x) - ------------ + ------------ + ----------------- + -----------------|                    
                       /  ___\     |                       /  ___\                                                              3/2             2                x                   3/2      |      /  ___\       
         2        2*sin\\/ x /     \             log(x)*sin\\/ x / + tan(4*x)                                                  x               x                                    x         /   cos\\/ x /*log(x)
8 + 8*tan (4*x) + ------------ - -------------------------------------------------------------------------------------------------------------------------------------------------------------- + -----------------
                       x                                                                                       4                                                                                          ___      
                                                                                                                                                                                                        \/ x       
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                      /  ___\                                                                                                      
                                                                                            log(x)*sin\\/ x / + tan(4*x)                                                                                           
x(128(tan2(4x)+1)tan(4x)+(8tan2(4x)+8+2sin(x)x+log(x)cos(x)x)2log(x)sin(x)+tan(4x)+log(x)sin(x)x+4sin(x)x2+log(x)cos(x)x324cos(x)x32)4+8tan2(4x)+8+2sin(x)x+log(x)cos(x)xlog(x)sin(x)+tan(4x)\frac{- \frac{x \left(- 128 \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan{\left(4 x \right)} + \frac{\left(8 \tan^{2}{\left(4 x \right)} + 8 + \frac{2 \sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{\sqrt{x}}\right)^{2}}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}} + \frac{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)}}{x} + \frac{4 \sin{\left(\sqrt{x} \right)}}{x^{2}} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}} - \frac{4 \cos{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}}\right)}{4} + 8 \tan^{2}{\left(4 x \right)} + 8 + \frac{2 \sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{\sqrt{x}}}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}}
Tercera derivada [src]
                                                                                                                          /                                                                                                             3                                                                                                                                                                                                                                                                                 \                                            
                                                                                                                          |                                                         /                       /  ___\      /  ___\       \                                                                                                                       /                       /  ___\      /  ___\       \ /                                      /  ___\        /  ___\             /  ___\      /  ___\       \|                                            
                                                                                                                          |                                                         |         2        2*sin\\/ x /   cos\\/ x /*log(x)|                                                                                                                       |         2        2*sin\\/ x /   cos\\/ x /*log(x)| |      /       2     \            4*cos\\/ x /   4*sin\\/ x /   log(x)*sin\\/ x /   cos\\/ x /*log(x)||                                            
                                                                                                                          |                                                       2*|8 + 8*tan (4*x) + ------------ + -----------------|                                                                                                                     3*|8 + 8*tan (4*x) + ------------ + -----------------|*|- 128*\1 + tan (4*x)/*tan(4*x) - ------------ + ------------ + ----------------- + -----------------||                                            
                                                                                                                    2     |                    2         /  ___\        /  ___\     |                       x                 ___      |          /  ___\                                       /  ___\                      /  ___\        /  ___\            |                       x                 ___      | |                                      3/2             2                x                   3/2      ||                                            
                                                                /                       /  ___\      /  ___\       \      |     /       2     \    18*cos\\/ x /   6*sin\\/ x /     \                                       \/ x       /    16*sin\\/ x /           2      /       2     \   cos\\/ x /*log(x)   3*log(x)*sin\\/ x /   3*cos\\/ x /*log(x)     \                                       \/ x       / \                                     x               x                                    x         /|                                            
                                                                |         2        2*sin\\/ x /   cos\\/ x /*log(x)|    x*|1024*\1 + tan (4*x)/  - ------------- - ------------ + ------------------------------------------------------- + ------------- + 2048*tan (4*x)*\1 + tan (4*x)/ - ----------------- + ------------------- + ------------------- + -------------------------------------------------------------------------------------------------------------------------------------------------------------|                                            
                                                              3*|8 + 8*tan (4*x) + ------------ + -----------------|      |                              5/2             2                                                  2                      3                                                 3/2                   2                    5/2                                                                                     /  ___\                                                                           |                                            
       /  ___\        /  ___\                                   |                       x                 ___      |      |                             x               x                     /          /  ___\           \                      x                                                 x                     x                    x                                                                              log(x)*sin\\/ x / + tan(4*x)                                                                |               /  ___\        /  ___\       
  3*sin\\/ x /   3*cos\\/ x /      /       2     \              \                                       \/ x       /      \                                                                   \log(x)*sin\\/ x / + tan(4*x)/                                                                                                                                                                                                                                                                                              /   3*log(x)*sin\\/ x /   3*cos\\/ x /*log(x)
- ------------ + ------------ + 96*\1 + tan (4*x)/*tan(4*x) - ------------------------------------------------------- + --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - ------------------- - -------------------
        2             3/2                                                   /          /  ___\           \                                                                                                                                                                                                               8                                                                                                                                                                                                            4*x                     3/2      
       x             x                                                    4*\log(x)*sin\\/ x / + tan(4*x)/                                                                                                                                                                                                                                                                                                                                                                                                                                                 4*x         
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                                                                                                                                                                /  ___\                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                      log(x)*sin\\/ x / + tan(4*x)                                                                                                                                                                                                                                                                     
x(1024(tan2(4x)+1)2+2048(tan2(4x)+1)tan2(4x)+3(8tan2(4x)+8+2sin(x)x+log(x)cos(x)x)(128(tan2(4x)+1)tan(4x)+log(x)sin(x)x+4sin(x)x2+log(x)cos(x)x324cos(x)x32)log(x)sin(x)+tan(4x)+2(8tan2(4x)+8+2sin(x)x+log(x)cos(x)x)3(log(x)sin(x)+tan(4x))2+3log(x)sin(x)x26sin(x)x2+16sin(x)x3log(x)cos(x)x32+3log(x)cos(x)x5218cos(x)x52)8+96(tan2(4x)+1)tan(4x)3(8tan2(4x)+8+2sin(x)x+log(x)cos(x)x)24(log(x)sin(x)+tan(4x))3log(x)sin(x)4x3sin(x)x23log(x)cos(x)4x32+3cos(x)x32log(x)sin(x)+tan(4x)\frac{\frac{x \left(1024 \left(\tan^{2}{\left(4 x \right)} + 1\right)^{2} + 2048 \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan^{2}{\left(4 x \right)} + \frac{3 \left(8 \tan^{2}{\left(4 x \right)} + 8 + \frac{2 \sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{\sqrt{x}}\right) \left(- 128 \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan{\left(4 x \right)} + \frac{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)}}{x} + \frac{4 \sin{\left(\sqrt{x} \right)}}{x^{2}} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}} - \frac{4 \cos{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}}\right)}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}} + \frac{2 \left(8 \tan^{2}{\left(4 x \right)} + 8 + \frac{2 \sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{\sqrt{x}}\right)^{3}}{\left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right)^{2}} + \frac{3 \log{\left(x \right)} \sin{\left(\sqrt{x} \right)}}{x^{2}} - \frac{6 \sin{\left(\sqrt{x} \right)}}{x^{2}} + \frac{16 \sin{\left(\sqrt{x} \right)}}{x^{3}} - \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}} + \frac{3 \log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{x^{\frac{5}{2}}} - \frac{18 \cos{\left(\sqrt{x} \right)}}{x^{\frac{5}{2}}}\right)}{8} + 96 \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan{\left(4 x \right)} - \frac{3 \left(8 \tan^{2}{\left(4 x \right)} + 8 + \frac{2 \sin{\left(\sqrt{x} \right)}}{x} + \frac{\log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{\sqrt{x}}\right)^{2}}{4 \left(\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}\right)} - \frac{3 \log{\left(x \right)} \sin{\left(\sqrt{x} \right)}}{4 x} - \frac{3 \sin{\left(\sqrt{x} \right)}}{x^{2}} - \frac{3 \log{\left(x \right)} \cos{\left(\sqrt{x} \right)}}{4 x^{\frac{3}{2}}} + \frac{3 \cos{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}}}{\log{\left(x \right)} \sin{\left(\sqrt{x} \right)} + \tan{\left(4 x \right)}}
Gráfico
Derivada de y=xln(sinsqrtxlnx+tg4x)