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x/((x-1)(x-2)(x-3))

Derivada de x/((x-1)(x-2)(x-3))

Función f() - derivada -er orden en el punto
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Gráfico:

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Definida a trozos:

Solución

Ha introducido [src]
           x           
-----------------------
(x - 1)*(x - 2)*(x - 3)
x(x2)(x1)(x3)\frac{x}{\left(x - 2\right) \left(x - 1\right) \left(x - 3\right)}
x/((((x - 1)*(x - 2))*(x - 3)))
Solución detallada
  1. 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)=xf{\left(x \right)} = x y g(x)=(x3)(x2)(x1)g{\left(x \right)} = \left(x - 3\right) \left(x - 2\right) \left(x - 1\right).

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

    1. Según el principio, aplicamos: xx tenemos 11

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

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

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

      f(x)=x1f{\left(x \right)} = x - 1; calculamos ddxf(x)\frac{d}{d x} f{\left(x \right)}:

      1. diferenciamos x1x - 1 miembro por miembro:

        1. La derivada de una constante 1-1 es igual a cero.

        2. Según el principio, aplicamos: xx tenemos 11

        Como resultado de: 11

      g(x)=x3g{\left(x \right)} = x - 3; calculamos ddxg(x)\frac{d}{d x} g{\left(x \right)}:

      1. diferenciamos x3x - 3 miembro por miembro:

        1. La derivada de una constante 3-3 es igual a cero.

        2. Según el principio, aplicamos: xx tenemos 11

        Como resultado de: 11

      h(x)=x2h{\left(x \right)} = x - 2; calculamos ddxh(x)\frac{d}{d x} h{\left(x \right)}:

      1. diferenciamos x2x - 2 miembro por miembro:

        1. La derivada de una constante 2-2 es igual a cero.

        2. Según el principio, aplicamos: xx tenemos 11

        Como resultado de: 11

      Como resultado de: (x3)(x2)+(x3)(x1)+(x2)(x1)\left(x - 3\right) \left(x - 2\right) + \left(x - 3\right) \left(x - 1\right) + \left(x - 2\right) \left(x - 1\right)

    Ahora aplicamos la regla de la derivada de una divesión:

    x((x3)(x2)+(x3)(x1)+(x2)(x1))+(x3)(x2)(x1)(x3)2(x2)2(x1)2\frac{- x \left(\left(x - 3\right) \left(x - 2\right) + \left(x - 3\right) \left(x - 1\right) + \left(x - 2\right) \left(x - 1\right)\right) + \left(x - 3\right) \left(x - 2\right) \left(x - 1\right)}{\left(x - 3\right)^{2} \left(x - 2\right)^{2} \left(x - 1\right)^{2}}

  2. Simplificamos:

    2x3+6x26x612x5+58x4144x3+193x2132x+36\frac{- 2 x^{3} + 6 x^{2} - 6}{x^{6} - 12 x^{5} + 58 x^{4} - 144 x^{3} + 193 x^{2} - 132 x + 36}


Respuesta:

2x3+6x26x612x5+58x4144x3+193x2132x+36\frac{- 2 x^{3} + 6 x^{2} - 6}{x^{6} - 12 x^{5} + 58 x^{4} - 144 x^{3} + 193 x^{2} - 132 x + 36}

Gráfica
02468-8-6-4-2-1010-500500
Primera derivada [src]
           1              x*(-(-3 + 2*x)*(x - 3) - (x - 1)*(x - 2))
----------------------- + -----------------------------------------
(x - 1)*(x - 2)*(x - 3)                  2        2        2       
                                  (x - 1) *(x - 3) *(x - 2)        
x((x3)(2x3)(x2)(x1))(x3)2(x2)2(x1)2+1(x2)(x1)(x3)\frac{x \left(- \left(x - 3\right) \left(2 x - 3\right) - \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 3\right)^{2} \left(x - 2\right)^{2} \left(x - 1\right)^{2}} + \frac{1}{\left(x - 2\right) \left(x - 1\right) \left(x - 3\right)}
Segunda derivada [src]
  /                                                                                                                                                                             /  1        1        1   \\                                              
  |                                                                                                                                   ((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))*|------ + ------ + ------||                                              
  |     (-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x)   (-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x)   (-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x)                                             \-1 + x   -3 + x   -2 + x/|   2*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))
x*|-6 + --------------------------------------- + --------------------------------------- + --------------------------------------- + --------------------------------------------------------------------| - -------------------------------------------
  |                            2                             (-1 + x)*(-2 + x)                         (-3 + x)*(-2 + x)                                             -2 + x                               |                      -2 + x                  
  \                    (-2 + x)                                                                                                                                                                           /                                              
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                                                                                                                       2         2                                                                                                                       
                                                                                                               (-1 + x) *(-3 + x) *(-2 + x)                                                                                                              
x(6+((x3)(2x3)+(x2)(x1))(1x1+1x2+1x3)x2+(x3)(2x3)+(x2)(x1)(x2)(x1)+(x3)(2x3)+(x2)(x1)(x2)2+(x3)(2x3)+(x2)(x1)(x3)(x2))2((x3)(2x3)+(x2)(x1))x2(x3)2(x2)(x1)2\frac{x \left(-6 + \frac{\left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right) \left(\frac{1}{x - 1} + \frac{1}{x - 2} + \frac{1}{x - 3}\right)}{x - 2} + \frac{\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)}{\left(x - 2\right) \left(x - 1\right)} + \frac{\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)}{\left(x - 2\right)^{2}} + \frac{\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)}{\left(x - 3\right) \left(x - 2\right)}\right) - \frac{2 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{x - 2}}{\left(x - 3\right)^{2} \left(x - 2\right) \left(x - 1\right)^{2}}
Tercera derivada [src]
        /                                                                                                                                                                                              /    1           1           1               1                   1                   1        \                                                                                                                                                                                                                                                                                                                                                                                    \                                                                                                                                                                                                                   
        |                                                                                                                     /  1        1        1   \   2*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))*|--------- + --------- + --------- + ----------------- + ----------------- + -----------------|                                                                                                                                                                                                                                     /  1        1        1   \                                             /  1        1        1   \                                              |                                                                                                                                                                                         /  1        1        1   \
        |                                                                           ((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))*|------ + ------ + ------|                                               |        2           2           2   (-1 + x)*(-3 + x)   (-1 + x)*(-2 + x)   (-3 + x)*(-2 + x)|                                                                                                                                                                                           ((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))*|------ + ------ + ------|   ((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))*|------ + ------ + ------|                                              |                                                                                                                                             3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))*|------ + ------ + ------|
        |    24       24       18     3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))                                             \-1 + x   -3 + x   -2 + x/                                               \(-1 + x)    (-3 + x)    (-2 + x)                                                             /   3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))   3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))   4*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))   4*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))                                             \-1 + x   -3 + x   -2 + x/                                             \-1 + x   -3 + x   -2 + x/   4*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))|   3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))   3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))   3*((-1 + x)*(-2 + x) + (-3 + x)*(-3 + 2*x))                                               \-1 + x   -3 + x   -2 + x/
-18 - x*|- ------ - ------ - ------ + ------------------------------------------- + -------------------------------------------------------------------- + ------------------------------------------------------------------------------------------------------------------------------------------- + ------------------------------------------- + ------------------------------------------- + ------------------------------------------- + ------------------------------------------- + -------------------------------------------------------------------- + -------------------------------------------------------------------- + -------------------------------------------| + ------------------------------------------- + ------------------------------------------- + ------------------------------------------- + ----------------------------------------------------------------------
        |  -1 + x   -3 + x   -2 + x                            3                                                         2                                                                                                    -2 + x                                                                                          2                                             2                                                      2                                             2                                        (-1 + x)*(-2 + x)                                                      (-3 + x)*(-2 + x)                                      (-1 + x)*(-3 + x)*(-2 + x)        |                            2                                 (-1 + x)*(-2 + x)                             (-3 + x)*(-2 + x)                                                -2 + x                                
        \                                              (-2 + x)                                                  (-2 + x)                                                                                                                                                                                             (-1 + x) *(-2 + x)                            (-3 + x) *(-2 + x)                            (-1 + x)*(-2 + x)                             (-3 + x)*(-2 + x)                                                                                                                                                                                                         /                    (-2 + x)                                                                                                                                                                                       
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                                                                                                                                                                                                                                                                                                                                                                                                                                                 2         2                                                                                                                                                                                                                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                         (-1 + x) *(-3 + x) *(-2 + x)                                                                                                                                                                                                                                                                                                                                                                                                                                         
x(24x1+2((x3)(2x3)+(x2)(x1))(1(x1)2+1(x2)(x1)+1(x2)2+1(x3)(x1)+1(x3)(x2)+1(x3)2)x218x2+((x3)(2x3)+(x2)(x1))(1x1+1x2+1x3)(x2)(x1)+3((x3)(2x3)+(x2)(x1))(x2)(x1)2+((x3)(2x3)+(x2)(x1))(1x1+1x2+1x3)(x2)2+4((x3)(2x3)+(x2)(x1))(x2)2(x1)+3((x3)(2x3)+(x2)(x1))(x2)324x3+((x3)(2x3)+(x2)(x1))(1x1+1x2+1x3)(x3)(x2)+4((x3)(2x3)+(x2)(x1))(x3)(x2)(x1)+4((x3)(2x3)+(x2)(x1))(x3)(x2)2+3((x3)(2x3)+(x2)(x1))(x3)2(x2))18+3((x3)(2x3)+(x2)(x1))(1x1+1x2+1x3)x2+3((x3)(2x3)+(x2)(x1))(x2)(x1)+3((x3)(2x3)+(x2)(x1))(x2)2+3((x3)(2x3)+(x2)(x1))(x3)(x2)(x3)2(x2)(x1)2\frac{- x \left(- \frac{24}{x - 1} + \frac{2 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right) \left(\frac{1}{\left(x - 1\right)^{2}} + \frac{1}{\left(x - 2\right) \left(x - 1\right)} + \frac{1}{\left(x - 2\right)^{2}} + \frac{1}{\left(x - 3\right) \left(x - 1\right)} + \frac{1}{\left(x - 3\right) \left(x - 2\right)} + \frac{1}{\left(x - 3\right)^{2}}\right)}{x - 2} - \frac{18}{x - 2} + \frac{\left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right) \left(\frac{1}{x - 1} + \frac{1}{x - 2} + \frac{1}{x - 3}\right)}{\left(x - 2\right) \left(x - 1\right)} + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 2\right) \left(x - 1\right)^{2}} + \frac{\left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right) \left(\frac{1}{x - 1} + \frac{1}{x - 2} + \frac{1}{x - 3}\right)}{\left(x - 2\right)^{2}} + \frac{4 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 2\right)^{2} \left(x - 1\right)} + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 2\right)^{3}} - \frac{24}{x - 3} + \frac{\left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right) \left(\frac{1}{x - 1} + \frac{1}{x - 2} + \frac{1}{x - 3}\right)}{\left(x - 3\right) \left(x - 2\right)} + \frac{4 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 3\right) \left(x - 2\right) \left(x - 1\right)} + \frac{4 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 3\right) \left(x - 2\right)^{2}} + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 3\right)^{2} \left(x - 2\right)}\right) - 18 + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right) \left(\frac{1}{x - 1} + \frac{1}{x - 2} + \frac{1}{x - 3}\right)}{x - 2} + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 2\right) \left(x - 1\right)} + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 2\right)^{2}} + \frac{3 \left(\left(x - 3\right) \left(2 x - 3\right) + \left(x - 2\right) \left(x - 1\right)\right)}{\left(x - 3\right) \left(x - 2\right)}}{\left(x - 3\right)^{2} \left(x - 2\right) \left(x - 1\right)^{2}}
Gráfico
Derivada de x/((x-1)(x-2)(x-3))