Cálculo Ejemplos

$12 x \sec^{2} (6 x^{2})$

Step 1

Como $12$ es constante con respecto a $x$ , la derivada de $12 x \sec^{2} (6 x^{2})$ con respecto a $x$ es $12 \frac{d}{d x} [x \sec^{2} (6 x^{2})]$ .

$12 \frac{d}{d x} [x \sec^{2} (6 x^{2})]$

Step 2

Diferencia con la regla del producto, que establece que $\frac{d}{d x} [f (x) g (x)]$ es $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ donde $f (x) = x$ y $g (x) = \sec^{2} (6 x^{2})$ .

$12 (x \frac{d}{d x} [\sec^{2} (6 x^{2})] + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 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 $f (x) = x^{2}$ y $g (x) = \sec (6 x^{2})$ .

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Para aplicar la regla de la cadena, establece $u_{1}$ como $\sec (6 x^{2})$ .

$12 (x (\frac{d}{d u_{1}} [{u_{1}}^{2}] \frac{d}{d x} [\sec (6 x^{2})]) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Diferencia con la regla de la potencia, que establece que $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ es $n {u_{1}}^{n - 1}$ donde $n = 2$ .

$12 (x (2 u_{1} \frac{d}{d x} [\sec (6 x^{2})]) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Reemplaza todos los casos de $u_{1}$ con $\sec (6 x^{2})$ .

$12 (x (2 \sec (6 x^{2}) \frac{d}{d x} [\sec (6 x^{2})]) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 4

Diferencia con la regla de la cadena, que establece que $\frac{d}{d x} [f (g (x))]$ es $f' (g (x)) g' (x)$ donde $f (x) = \sec (x)$ y $g (x) = 6 x^{2}$ .

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Para aplicar la regla de la cadena, establece $u_{2}$ como $6 x^{2}$ .

$12 (x (2 \sec (6 x^{2}) (\frac{d}{d u_{2}} [\sec (u_{2})] \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

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

$12 (x (2 \sec (6 x^{2}) (\sec (u_{2}) \tan (u_{2}) \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Reemplaza todos los casos de $u_{2}$ con $6 x^{2}$ .

$12 (x (2 \sec (6 x^{2}) (\sec (6 x^{2}) \tan (6 x^{2}) \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 5

Eleva $\sec (6 x^{2})$ a la potencia de $1$ .

$12 (x (2 (\sec^{1} (6 x^{2}) \sec (6 x^{2})) (\tan (6 x^{2}) \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 6

Eleva $\sec (6 x^{2})$ a la potencia de $1$ .

$12 (x (2 (\sec^{1} (6 x^{2}) \sec^{1} (6 x^{2})) (\tan (6 x^{2}) \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 7

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$12 (x (2 {\sec (6 x^{2})}^{1 + 1} (\tan (6 x^{2}) \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 8

Suma $1$ y $1$ .

$12 (x (2 \sec^{2} (6 x^{2}) (\tan (6 x^{2}) \frac{d}{d x} [6 x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 9

Como $6$ es constante con respecto a $x$ , la derivada de $6 x^{2}$ con respecto a $x$ es $6 \frac{d}{d x} [x^{2}]$ .

$12 (x (2 \sec^{2} (6 x^{2}) \tan (6 x^{2}) (6 \frac{d}{d x} [x^{2}])) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 10

Multiplica $6$ por $2$ .

$12 (x (12 \sec^{2} (6 x^{2}) \tan (6 x^{2}) \frac{d}{d x} [x^{2}]) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 11

Diferencia con la regla de la potencia, que establece que $\frac{d}{d x} [x^{n}]$ es $n x^{n - 1}$ donde $n = 2$ .

$12 (x (12 \sec^{2} (6 x^{2}) \tan (6 x^{2}) (2 x)) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 12

Multiplica $2$ por $12$ .

$12 (x (24 \sec^{2} (6 x^{2}) \tan (6 x^{2}) x) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 13

Eleva $x$ a la potencia de $1$ .

$12 (x^{1} x (24 \sec^{2} (6 x^{2}) \tan (6 x^{2})) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 14

Eleva $x$ a la potencia de $1$ .

$12 (x^{1} x^{1} (24 \sec^{2} (6 x^{2}) \tan (6 x^{2})) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 15

Usa la regla de la potencia $a^{m} a^{n} = a^{m + n}$ para combinar exponentes.

$12 (x^{1 + 1} (24 \sec^{2} (6 x^{2}) \tan (6 x^{2})) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 16

Suma $1$ y $1$ .

$12 (x^{2} (24 \sec^{2} (6 x^{2}) \tan (6 x^{2})) + \sec^{2} (6 x^{2}) \frac{d}{d x} [x])$

Step 17

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

$12 (x^{2} (24 \sec^{2} (6 x^{2}) \tan (6 x^{2})) + \sec^{2} (6 x^{2}) \cdot 1)$

Step 18

Multiplica $\sec^{2} (6 x^{2})$ por $1$ .

$12 (x^{2} (24 \sec^{2} (6 x^{2}) \tan (6 x^{2})) + \sec^{2} (6 x^{2}))$

Step 19

Simplifica.

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Aplica la propiedad distributiva.

$12 (x^{2} (24 \sec^{2} (6 x^{2}) \tan (6 x^{2}))) + 12 \sec^{2} (6 x^{2})$

Multiplica $24$ por $12$ .

$288 x^{2} (\sec^{2} (6 x^{2}) \tan (6 x^{2})) + 12 \sec^{2} (6 x^{2})$

Reordena los términos.

$288 x^{2} \sec^{2} (6 x^{2}) \tan (6 x^{2}) + 12 \sec^{2} (6 x^{2})$