Cálculo Ejemplos

${\tan (x)}^{\frac{1}{x}}$

Paso 1

Usa las propiedades de los logaritmos para simplificar la diferenciación.

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Paso 1.1

Reescribe ${\tan (x)}^{\frac{1}{x}}$ como $e^{\ln ({\tan (x)}^{\frac{1}{x}})}$ .

$\frac{d}{d x} [e^{\ln ({\tan (x)}^{\frac{1}{x}})}]$

Paso 1.2

Expande $\ln ({\tan (x)}^{\frac{1}{x}})$ ; para ello, mueve $\frac{1}{x}$ fuera del logaritmo.

$\frac{d}{d x} [e^{\frac{1}{x} \ln (\tan (x))}]$

Paso 2

Combina $\frac{1}{x}$ y $\ln (\tan (x))$ .

$\frac{d}{d x} [e^{\frac{\ln (\tan (x))}{x}}]$

Paso 3

Diferencia con la regla de la cadena, que establece que $\frac{d}{d x} [f (g (x))]$ es $f' (g (x)) g' (x)$ donde $f (x) = e^{x}$ y $g (x) = \frac{\ln (\tan (x))}{x}$ .

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Paso 3.1

Para aplicar la regla de la cadena, establece $u_{1}$ como $\frac{\ln (\tan (x))}{x}$ .

$\frac{d}{d u_{1}} [e^{u_{1}}] \frac{d}{d x} [\frac{\ln (\tan (x))}{x}]$

Paso 3.2

Diferencia con la regla exponencial, que establece que $\frac{d}{d u_{1}} [a^{u_{1}}]$ es $a^{u_{1}} \ln (a)$ donde $a$ = $e$ .

$e^{u_{1}} \frac{d}{d x} [\frac{\ln (\tan (x))}{x}]$

Paso 3.3

Reemplaza todos los casos de $u_{1}$ con $\frac{\ln (\tan (x))}{x}$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{d}{d x} [\frac{\ln (\tan (x))}{x}]$

Paso 4

Diferencia con la regla del cociente, que establece que $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ es $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ donde $f (x) = \ln (\tan (x))$ y $g (x) = x$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x \frac{d}{d x} [\ln (\tan (x))] - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 5

Diferencia con la regla de la cadena, que establece que $\frac{d}{d x} [f (g (x))]$ es $f' (g (x)) g' (x)$ donde $f (x) = \ln (x)$ y $g (x) = \tan (x)$ .

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Paso 5.1

Para aplicar la regla de la cadena, establece $u_{2}$ como $\tan (x)$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\frac{d}{d u_{2}} [\ln (u_{2})] \frac{d}{d x} [\tan (x)]) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 5.2

La derivada de $\ln (u_{2})$ con respecto a $u_{2}$ es $\frac{1}{u_{2}}$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\frac{1}{u_{2}} \frac{d}{d x} [\tan (x)]) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 5.3

Reemplaza todos los casos de $u_{2}$ con $\tan (x)$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\frac{1}{\tan (x)} \frac{d}{d x} [\tan (x)]) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 6

Reescribe $\tan (x)$ en términos de senos y cosenos.

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\frac{1}{\frac{\sin (x)}{\cos (x)}} \frac{d}{d x} [\tan (x)]) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 7

Multiplica por la recíproca de la fracción para dividir por $\frac{\sin (x)}{\cos (x)}$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\frac{\cos (x)}{\sin (x)} \frac{d}{d x} [\tan (x)]) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 8

Convierte de $\frac{\cos (x)}{\sin (x)}$ a $\cot (x)$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\cot (x) \frac{d}{d x} [\tan (x)]) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 9

La derivada de $\tan (x)$ con respecto a $x$ es $\sec^{2} (x)$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\cot (x) \sec^{2} (x)) - \ln (\tan (x)) \frac{d}{d x} [x]}{x^{2}}$

Paso 10

Diferencia con la regla de la potencia.

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Paso 10.1

Diferencia con la regla de la potencia, que establece que $\frac{d}{d x} [x^{n}]$ es $n x^{n - 1}$ donde $n = 1$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\cot (x) \sec^{2} (x)) - \ln (\tan (x)) \cdot 1}{x^{2}}$

Paso 10.2

Combina fracciones.

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Paso 10.2.1

Multiplica $- 1$ por $1$ .

$e^{\frac{\ln (\tan (x))}{x}} \frac{x (\cot (x) \sec^{2} (x)) - \ln (\tan (x))}{x^{2}}$

Paso 10.2.2

Combina $e^{\frac{\ln (\tan (x))}{x}}$ y $\frac{x (\cot (x) \sec^{2} (x)) - \ln (\tan (x))}{x^{2}}$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\cot (x) \sec^{2} (x)) - \ln (\tan (x)))}{x^{2}}$

Paso 11

Simplifica.

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Paso 11.1

Aplica la propiedad distributiva.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\cot (x) \sec^{2} (x))) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2

Simplifica el numerador.

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Paso 11.2.1

Simplifica cada término.

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Paso 11.2.1.1

Reescribe $\cot (x)$ en términos de senos y cosenos.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{\cos (x)}{\sin (x)} \sec^{2} (x))) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.2

Reescribe $\sec (x)$ en términos de senos y cosenos.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{\cos (x)}{\sin (x)} {(\frac{1}{\cos (x)})}^{2})) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.3

Aplica la regla del producto a $\frac{1}{\cos (x)}$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{\cos (x)}{\sin (x)} \cdot \frac{1^{2}}{\cos^{2} (x)})) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.4

Cancela el factor común de $\cos (x)$ .

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Paso 11.2.1.4.1

Factoriza $\cos (x)$ de $\cos^{2} (x)$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{\cos (x)}{\sin (x)} \cdot \frac{1^{2}}{\cos (x) \cos (x)})) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.4.2

Cancela el factor común.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{\cos (x)}{\sin (x)} \cdot \frac{1^{2}}{\cos (x) \cos (x)})) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.4.3

Reescribe la expresión.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{1}{\sin (x)} \cdot \frac{1^{2}}{\cos (x)})) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.5

Multiplica $\frac{1}{\sin (x)}$ por $\frac{1^{2}}{\cos (x)}$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x \frac{1^{2}}{\sin (x) \cos (x)}) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.6

Separa las fracciones.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{1^{2}}{\cos (x)} \cdot \frac{1}{\sin (x)})) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.7

Convierte de $\frac{1}{\sin (x)}$ a $\csc (x)$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{1^{2}}{\cos (x)} \csc (x))) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.8

Separa las fracciones.

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{1^{2}}{1} \cdot \frac{1}{\cos (x)} \csc (x))) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.9

Convierte de $\frac{1}{\cos (x)}$ a $\sec (x)$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x (\frac{1^{2}}{1} \sec (x) \csc (x))) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.10

Reescribe con la propiedad conmutativa de la multiplicación.

$\frac{\frac{1^{2}}{1} e^{\frac{\ln (\tan (x))}{x}} x \sec (x) \csc (x) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.11

Divide $1^{2}$ por $1$ .

$\frac{1^{2} e^{\frac{\ln (\tan (x))}{x}} x \sec (x) \csc (x) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.12

Uno elevado a cualquier potencia es uno.

$\frac{1 e^{\frac{\ln (\tan (x))}{x}} x \sec (x) \csc (x) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.13

Multiplica $e^{\frac{\ln (\tan (x))}{x}}$ por $1$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} x \sec (x) \csc (x) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.2.1.14

Reescribe con la propiedad conmutativa de la multiplicación.

$\frac{e^{\frac{\ln (\tan (x))}{x}} x \sec (x) \csc (x) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))}{x^{2}}$

Paso 11.2.2

Reordena los factores en $e^{\frac{\ln (\tan (x))}{x}} x \sec (x) \csc (x) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))$ .

$\frac{x e^{\frac{\ln (\tan (x))}{x}} \sec (x) \csc (x) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))}{x^{2}}$

Paso 11.3

Reordena los términos.

$\frac{e^{\frac{\ln (\tan (x))}{x}} x \csc (x) \sec (x) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))}{x^{2}}$

Paso 11.4

Factoriza $e^{\frac{\ln (\tan (x))}{x}}$ de $e^{\frac{\ln (\tan (x))}{x}} x \csc (x) \sec (x) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))$ .

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Paso 11.4.1

Reordena $e^{\frac{\ln (\tan (x))}{x}}$ y $x$ .

$\frac{x e^{\frac{\ln (\tan (x))}{x}} \csc (x) \sec (x) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))}{x^{2}}$

Paso 11.4.2

Factoriza $e^{\frac{\ln (\tan (x))}{x}}$ de $x e^{\frac{\ln (\tan (x))}{x}} \csc (x) \sec (x)$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x \csc (x) \sec (x)) - e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))}{x^{2}}$

Paso 11.4.3

Factoriza $e^{\frac{\ln (\tan (x))}{x}}$ de $- e^{\frac{\ln (\tan (x))}{x}} \ln (\tan (x))$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x \csc (x) \sec (x)) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))}{x^{2}}$

Paso 11.4.4

Factoriza $e^{\frac{\ln (\tan (x))}{x}}$ de $e^{\frac{\ln (\tan (x))}{x}} (x \csc (x) \sec (x)) + e^{\frac{\ln (\tan (x))}{x}} (- \ln (\tan (x)))$ .

$\frac{e^{\frac{\ln (\tan (x))}{x}} (x \csc (x) \sec (x) - \ln (\tan (x)))}{x^{2}}$