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Integral de 1/(15^(1/2)-4cosx) dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
  1                     
  /                     
 |                      
 |          1           
 |  ----------------- dx
 |    ____              
 |  \/ 15  - 4*cos(x)   
 |                      
/                       
0                       
0114cos(x)+15dx\int\limits_{0}^{1} \frac{1}{- 4 \cos{\left(x \right)} + \sqrt{15}}\, dx
Integral(1/(sqrt(15) - 4*cos(x)), (x, 0, 1))
Solución detallada
  1. Vuelva a escribir el integrando:

    14cos(x)+15=14cos(x)15\frac{1}{- 4 \cos{\left(x \right)} + \sqrt{15}} = - \frac{1}{4 \cos{\left(x \right)} - \sqrt{15}}

  2. La integral del producto de una función por una constante es la constante por la integral de esta función:

    (14cos(x)15)dx=14cos(x)15dx\int \left(- \frac{1}{4 \cos{\left(x \right)} - \sqrt{15}}\right)\, dx = - \int \frac{1}{4 \cos{\left(x \right)} - \sqrt{15}}\, dx

    1. No puedo encontrar los pasos en la búsqueda de esta integral.

      Pero la integral

      6178333140100201188650881log(tan(x2)31815)4864191391933025934501720431815+125592881691480557460945291531815159523875726196363936091215log(tan(x2)31815)4864191391933025934501720431815+125592881691480557460945291531815+6178333140100201188650881log(tan(x2)+31815)4864191391933025934501720431815+125592881691480557460945291531815+159523875726196363936091215log(tan(x2)+31815)4864191391933025934501720431815+125592881691480557460945291531815- \frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} - \frac{1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} + \frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} + \frac{1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}}

    Por lo tanto, el resultado es: 6178333140100201188650881log(tan(x2)31815)4864191391933025934501720431815+125592881691480557460945291531815+159523875726196363936091215log(tan(x2)31815)4864191391933025934501720431815+1255928816914805574609452915318156178333140100201188650881log(tan(x2)+31815)4864191391933025934501720431815+125592881691480557460945291531815159523875726196363936091215log(tan(x2)+31815)4864191391933025934501720431815+125592881691480557460945291531815\frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} + \frac{1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} - \frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} - \frac{1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}}

  3. Ahora simplificar:

    6178333140100201188650881log(tan(x2)31815)+159523875726196363936091215log(tan(x2)31815)6178333140100201188650881log(tan(x2)+31815)159523875726196363936091215log(tan(x2)+31815)31815(48641913919330259345017204+1255928816914805574609452915)\frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)} + 1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)} - 6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)} - 1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{\sqrt{31 - 8 \sqrt{15}} \left(48641913919330259345017204 + 12559288169148055746094529 \sqrt{15}\right)}

  4. Añadimos la constante de integración:

    6178333140100201188650881log(tan(x2)31815)+159523875726196363936091215log(tan(x2)31815)6178333140100201188650881log(tan(x2)+31815)159523875726196363936091215log(tan(x2)+31815)31815(48641913919330259345017204+1255928816914805574609452915)+constant\frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)} + 1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)} - 6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)} - 1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{\sqrt{31 - 8 \sqrt{15}} \left(48641913919330259345017204 + 12559288169148055746094529 \sqrt{15}\right)}+ \mathrm{constant}


Respuesta:

6178333140100201188650881log(tan(x2)31815)+159523875726196363936091215log(tan(x2)31815)6178333140100201188650881log(tan(x2)+31815)159523875726196363936091215log(tan(x2)+31815)31815(48641913919330259345017204+1255928816914805574609452915)+constant\frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)} + 1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)} - 6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)} - 1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{\sqrt{31 - 8 \sqrt{15}} \left(48641913919330259345017204 + 12559288169148055746094529 \sqrt{15}\right)}+ \mathrm{constant}

Respuesta (Indefinida) [src]
                                                                                /   _______________         \                                                                         /     _______________         \                                                                            /   _______________         \                                                                         /     _______________         \                 
  /                                                                             |  /          ____       /x\|                                                                         |    /          ____       /x\|                                                                    ____    |  /          ____       /x\|                                                                 ____    |    /          ____       /x\|                 
 |                                                 6178333140100201188650881*log|\/  31 - 8*\/ 15   + tan|-||                                            6178333140100201188650881*log|- \/  31 - 8*\/ 15   + tan|-||                                        1595238757261963639360912*\/ 15 *log|\/  31 - 8*\/ 15   + tan|-||                                     1595238757261963639360912*\/ 15 *log|- \/  31 - 8*\/ 15   + tan|-||                 
 |         1                                                                    \                        \2//                                                                         \                          \2//                                                                            \                        \2//                                                                         \                          \2//                 
 | ----------------- dx = C - ---------------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------
 |   ____                                                   _______________                                        _______________                                 _______________                                        _______________                                 _______________                                        _______________                                 _______________                                        _______________
 | \/ 15  - 4*cos(x)                                       /          ____                                 ____   /          ____                                 /          ____                                 ____   /          ____                                 /          ____                                 ____   /          ____                                 /          ____                                 ____   /          ____ 
 |                            48641913919330259345017204*\/  31 - 8*\/ 15   + 12559288169148055746094529*\/ 15 *\/  31 - 8*\/ 15     48641913919330259345017204*\/  31 - 8*\/ 15   + 12559288169148055746094529*\/ 15 *\/  31 - 8*\/ 15     48641913919330259345017204*\/  31 - 8*\/ 15   + 12559288169148055746094529*\/ 15 *\/  31 - 8*\/ 15     48641913919330259345017204*\/  31 - 8*\/ 15   + 12559288169148055746094529*\/ 15 *\/  31 - 8*\/ 15  
/                                                                                                                                                                                                                                                                                                                                                                                                                                                      
14cos(x)+15dx=C+6178333140100201188650881log(tan(x2)31815)4864191391933025934501720431815+125592881691480557460945291531815+159523875726196363936091215log(tan(x2)31815)4864191391933025934501720431815+1255928816914805574609452915318156178333140100201188650881log(tan(x2)+31815)4864191391933025934501720431815+125592881691480557460945291531815159523875726196363936091215log(tan(x2)+31815)4864191391933025934501720431815+125592881691480557460945291531815\int \frac{1}{- 4 \cos{\left(x \right)} + \sqrt{15}}\, dx = C + \frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} + \frac{1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} - \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} - \frac{6178333140100201188650881 \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}} - \frac{1595238757261963639360912 \sqrt{15} \log{\left(\tan{\left(\frac{x}{2} \right)} + \sqrt{31 - 8 \sqrt{15}} \right)}}{48641913919330259345017204 \sqrt{31 - 8 \sqrt{15}} + 12559288169148055746094529 \sqrt{15} \sqrt{31 - 8 \sqrt{15}}}
Gráfica
0.001.000.100.200.300.400.500.600.700.800.90-100000100000
Respuesta numérica [src]
-2.38394542075652
-2.38394542075652

    Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.