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Límite de la función asin(2*x)^3*log(1+2*x^2)/((1-cos(2*x)^2)*(-1+sqrt(3)*(1+3*x)))

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Gráfico:

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Solución

Ha introducido [src]
     /           3         /       2\       \
     |       asin (2*x)*log\1 + 2*x /       |
 lim |--------------------------------------|
x->1+|/       2     \ /       ___          \|
     \\1 - cos (2*x)/*\-1 + \/ 3 *(1 + 3*x)//
$$\lim_{x \to 1^+}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right)$$
Limit((asin(2*x)^3*log(1 + 2*x^2))/(((1 - cos(2*x)^2)*(-1 + sqrt(3)*(1 + 3*x)))), x, 1)
Método de l'Hopital
En el caso de esta función, no tiene sentido aplicar el Método de l'Hopital, ya que no existe la indeterminación tipo 0/0 or oo/oo
Gráfica
Respuesta rápida [src]
          3                
      asin (2)*log(3)      
---------------------------
     2          ___    2   
- sin (2) + 4*\/ 3 *sin (2)
$$\frac{\log{\left(3 \right)} \operatorname{asin}^{3}{\left(2 \right)}}{- \sin^{2}{\left(2 \right)} + 4 \sqrt{3} \sin^{2}{\left(2 \right)}}$$
A la izquierda y a la derecha [src]
     /           3         /       2\       \
     |       asin (2*x)*log\1 + 2*x /       |
 lim |--------------------------------------|
x->1+|/       2     \ /       ___          \|
     \\1 - cos (2*x)/*\-1 + \/ 3 *(1 + 3*x)//
$$\lim_{x \to 1^+}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right)$$
          3                
      asin (2)*log(3)      
---------------------------
     2          ___    2   
- sin (2) + 4*\/ 3 *sin (2)
$$\frac{\log{\left(3 \right)} \operatorname{asin}^{3}{\left(2 \right)}}{- \sin^{2}{\left(2 \right)} + 4 \sqrt{3} \sin^{2}{\left(2 \right)}}$$
= (-0.963170258563651 - 1.67300709672103j)
     /           3         /       2\       \
     |       asin (2*x)*log\1 + 2*x /       |
 lim |--------------------------------------|
x->1-|/       2     \ /       ___          \|
     \\1 - cos (2*x)/*\-1 + \/ 3 *(1 + 3*x)//
$$\lim_{x \to 1^-}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right)$$
          3                
      asin (2)*log(3)      
---------------------------
     2          ___    2   
- sin (2) + 4*\/ 3 *sin (2)
$$\frac{\log{\left(3 \right)} \operatorname{asin}^{3}{\left(2 \right)}}{- \sin^{2}{\left(2 \right)} + 4 \sqrt{3} \sin^{2}{\left(2 \right)}}$$
= (-0.963170258563651 - 1.67300709672103j)
= (-0.963170258563651 - 1.67300709672103j)
Otros límites con x→0, -oo, +oo, 1
$$\lim_{x \to 1^-}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right) = \frac{\log{\left(3 \right)} \operatorname{asin}^{3}{\left(2 \right)}}{- \sin^{2}{\left(2 \right)} + 4 \sqrt{3} \sin^{2}{\left(2 \right)}}$$
Más detalles con x→1 a la izquierda
$$\lim_{x \to 1^+}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right) = \frac{\log{\left(3 \right)} \operatorname{asin}^{3}{\left(2 \right)}}{- \sin^{2}{\left(2 \right)} + 4 \sqrt{3} \sin^{2}{\left(2 \right)}}$$
$$\lim_{x \to \infty}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right)$$
Más detalles con x→oo
$$\lim_{x \to 0^-}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right) = 0$$
Más detalles con x→0 a la izquierda
$$\lim_{x \to 0^+}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right) = 0$$
Más detalles con x→0 a la derecha
$$\lim_{x \to -\infty}\left(\frac{\log{\left(2 x^{2} + 1 \right)} \operatorname{asin}^{3}{\left(2 x \right)}}{\left(1 - \cos^{2}{\left(2 x \right)}\right) \left(\sqrt{3} \left(3 x + 1\right) - 1\right)}\right)$$
Más detalles con x→-oo
Respuesta numérica [src]
(-0.963170258563651 - 1.67300709672103j)
(-0.963170258563651 - 1.67300709672103j)